diff --git a/sonoff/_releasenotes.ino b/sonoff/_releasenotes.ino
index d924953435d3..5583d95fc389 100644
--- a/sonoff/_releasenotes.ino
+++ b/sonoff/_releasenotes.ino
@@ -1,5 +1,8 @@
 /* 5.12.0i
  * Add 16 timers using commands Timer and Timers (#1091)
+ * Add commands Timer 0 to clear timer and Timer 1..16 to copy timer
+ * Add optional Timer configuration webpage to be enabled in user_config.h with define USE_TIMERS_WEB
+ * Change webpage parameter communication
  *
  * 5.12.0h
  * Add optional Arduino OTA support to be enabled in user_config.h (#1998)
diff --git a/sonoff/language/cs-CZ.h b/sonoff/language/cs-CZ.h
index e78d0a8e0750..617524e2036d 100644
--- a/sonoff/language/cs-CZ.h
+++ b/sonoff/language/cs-CZ.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Aktualizace stopek"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Energie Dnes"
 #define D_ENERGY_YESTERDAY "Energie Včera"
diff --git a/sonoff/language/de-DE.h b/sonoff/language/de-DE.h
index b0ea8033acad..f6f5c78a0906 100644
--- a/sonoff/language/de-DE.h
+++ b/sonoff/language/de-DE.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Update timer"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Energie heute"
 #define D_ENERGY_YESTERDAY "Energie gestern"
diff --git a/sonoff/language/en-GB.h b/sonoff/language/en-GB.h
index 5fb862b5e591..c7db040dbb10 100644
--- a/sonoff/language/en-GB.h
+++ b/sonoff/language/en-GB.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Update timer"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Energy Today"
 #define D_ENERGY_YESTERDAY "Energy Yesterday"
diff --git a/sonoff/language/es-AR.h b/sonoff/language/es-AR.h
index dbe2417311bc..5ad7d344c506 100644
--- a/sonoff/language/es-AR.h
+++ b/sonoff/language/es-AR.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "Calidad del Aire"
 #define D_DOMOTICZ_UPDATE_TIMER "Intervalo de refresco"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Energía Hoy"
 #define D_ENERGY_YESTERDAY "Energía Ayer"
diff --git a/sonoff/language/fr-FR.h b/sonoff/language/fr-FR.h
index 7b9c0137f9e8..64953f3b3e5f 100644
--- a/sonoff/language/fr-FR.h
+++ b/sonoff/language/fr-FR.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Update timer"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xsns_03_energy.ino
 #define D_ENERGY_TODAY "Energie aujourd'hui"
 #define D_ENERGY_YESTERDAY "Energie hier"
diff --git a/sonoff/language/hu-HU.h b/sonoff/language/hu-HU.h
index 82dde4c385c9..dd6ec3292910 100644
--- a/sonoff/language/hu-HU.h
+++ b/sonoff/language/hu-HU.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "Légminőség"
 #define D_DOMOTICZ_UPDATE_TIMER "Update időzítő"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Mai Energia"
 #define D_ENERGY_YESTERDAY "Tegnapi Energia"
diff --git a/sonoff/language/it-IT.h b/sonoff/language/it-IT.h
index 4e16869a4a57..c9134c7dd27c 100644
--- a/sonoff/language/it-IT.h
+++ b/sonoff/language/it-IT.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Intervallo di aggiornamento"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Energia Oggi"
 #define D_ENERGY_YESTERDAY "Energia Ieri"
diff --git a/sonoff/language/nl-NL.h b/sonoff/language/nl-NL.h
index 53bdb7f6724d..3b91d3d84cbf 100644
--- a/sonoff/language/nl-NL.h
+++ b/sonoff/language/nl-NL.h
@@ -110,7 +110,7 @@
 #define D_OFF "Uit"
 #define D_OFFLINE "Offline"
 #define D_OK "Ok"
-#define D_ON "Ann"
+#define D_ON "Aan"
 #define D_ONLINE "Online"
 #define D_PASSWORD "Wachtwoord"
 #define D_PORT "Poort"
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Bijwerk timer"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configureer Tijdschakelaar"
+#define D_TIMER_PARAMETERS "Tijdschakelaar parameters"
+#define D_TIMER_ARM "Actief"
+#define D_TIMER_TIME "Tijd"
+#define D_TIMER_DAYS "Dagen"
+#define D_TIMER_REPEAT "Herhaal"
+#define D_TIMER_DEVICE "Uitgang"
+#define D_TIMER_POWER "Actie"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Verbruik vandaag"
 #define D_ENERGY_YESTERDAY "Verbruik gisteren"
diff --git a/sonoff/language/pl-PL.h b/sonoff/language/pl-PL.h
index 90a69afb516d..f1023e5e4faa 100644
--- a/sonoff/language/pl-PL.h
+++ b/sonoff/language/pl-PL.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Zaktualizuj czasomierz"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Energia Dzisiaj"
 #define D_ENERGY_YESTERDAY "Energia Wczoraj"
diff --git a/sonoff/language/pt-PT.h b/sonoff/language/pt-PT.h
index 7d8f0512c9a3..73a8b53ea6d1 100644
--- a/sonoff/language/pt-PT.h
+++ b/sonoff/language/pt-PT.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "Qualidade do Ar"
 #define D_DOMOTICZ_UPDATE_TIMER "Tempo de atualização"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Consumo energético de hoje"
 #define D_ENERGY_YESTERDAY "Consumo energético de ontem"
diff --git a/sonoff/language/ru-RU.h b/sonoff/language/ru-RU.h
index 640b8bef7fe6..5c5b964e659a 100644
--- a/sonoff/language/ru-RU.h
+++ b/sonoff/language/ru-RU.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "AirQuality"
 #define D_DOMOTICZ_UPDATE_TIMER "Update timer"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "Энергия Сегодня"
 #define D_ENERGY_YESTERDAY "Энергия Вчера"
diff --git a/sonoff/language/zh-CN.h b/sonoff/language/zh-CN.h
index 0cd86bcc8d51..86c352dbf546 100644
--- a/sonoff/language/zh-CN.h
+++ b/sonoff/language/zh-CN.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "空气质量"
 #define D_DOMOTICZ_UPDATE_TIMER "更新计时器"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "今日用电量"
 #define D_ENERGY_YESTERDAY "昨日用电量"
diff --git a/sonoff/language/zh-TW.h b/sonoff/language/zh-TW.h
index c3efc118b272..f015232e3bec 100644
--- a/sonoff/language/zh-TW.h
+++ b/sonoff/language/zh-TW.h
@@ -358,6 +358,16 @@
   #define D_DOMOTICZ_AIRQUALITY "空氣品質"
 #define D_DOMOTICZ_UPDATE_TIMER "更新計時器"
 
+// xdrv_09_timers.ino
+#define D_CONFIGURE_TIMER "Configure Timer"
+#define D_TIMER_PARAMETERS "Timer parameters"
+#define D_TIMER_ARM "Arm"
+#define D_TIMER_TIME "Time"
+#define D_TIMER_DAYS "Days"
+#define D_TIMER_REPEAT "Repeat"
+#define D_TIMER_DEVICE "Device"
+#define D_TIMER_POWER "Power"
+
 // xdrv_03_energy.ino
 #define D_ENERGY_TODAY "今日用電量"
 #define D_ENERGY_YESTERDAY "昨日用電量"
diff --git a/sonoff/settings.h b/sonoff/settings.h
index 173958b86022..5c18c9ca26df 100644
--- a/sonoff/settings.h
+++ b/sonoff/settings.h
@@ -93,10 +93,10 @@ typedef union {
   uint32_t data;
   struct {
     uint32_t time : 11;                   // bits 0 - 10 = minutes in a day
-    uint32_t mday : 5;                    // bits 11 - 15 = optional day in a month
+    uint32_t mday : 5;                    // bits 11 - 15 = 32 days in a month
     uint32_t days : 7;                    // bits 16 - 22 = week day mask
     uint32_t device : 4;                  // bits 23 - 26 = 16 devices
-    uint32_t power : 2;                   // bits 27 - 28 = 4 power states - Off, On, Toggle
+    uint32_t power : 2;                   // bits 27 - 28 = 4 power states - Off, On, Toggle, Blink
     uint32_t repeat : 1;                  // bit 29
     uint32_t arm : 1;                     // bit 30
     uint32_t spare : 1;                   // bit 31
diff --git a/sonoff/user_config.h b/sonoff/user_config.h
index 5de54309a8f9..d49373f6788a 100644
--- a/sonoff/user_config.h
+++ b/sonoff/user_config.h
@@ -163,6 +163,7 @@
 #define NTP_SERVER3            "0.nl.pool.ntp.org"  // [NtpServer3] Select third NTP server by name or IP address (93.94.224.67)
 
 #define USE_TIMERS                               // Add support for up to 16 timers (+2k2 code)
+  #define USE_TIMERS_WEB                         // Add timer webpage support (+4k5 code)
 
 // -- Time - Start Daylight Saving Time and timezone offset from UTC in minutes
 #define TIME_DST               North, Last, Sun, Mar, 2, +120  // Northern Hemisphere, Last sunday in march at 02:00 +120 minutes
diff --git a/sonoff/webserver.ino b/sonoff/webserver.ino
index cc843748f357..d314d09e4a55 100644
--- a/sonoff/webserver.ino
+++ b/sonoff/webserver.ino
@@ -39,16 +39,19 @@ const char HTTP_HEAD[] PROGMEM =
   "var cn,x,lt;"
   "cn=180;"
   "x=null;"                  // Allow for abortion
+  "function eb(s){"
+    "return document.getElementById(s);"  // Save code space
+  "}"
   "function u(){"
     "if(cn>=0){"
-      "document.getElementById('t').innerHTML='" D_RESTART_IN " '+cn+' " D_SECONDS "';"
+      "eb('t').innerHTML='" D_RESTART_IN " '+cn+' " D_SECONDS "';"
       "cn--;"
       "setTimeout(u,1000);"
     "}"
   "}"
   "function c(l){"
-    "document.getElementById('s1').value=l.innerText||l.textContent;"
-    "document.getElementById('p1').focus();"
+    "eb('s1').value=l.innerText||l.textContent;"
+    "eb('p1').focus();"
   "}"
   "function la(p){"
     "var a='';"
@@ -61,7 +64,7 @@ const char HTTP_HEAD[] PROGMEM =
     "x.onreadystatechange=function(){"
       "if(x.readyState==4&&x.status==200){"
         "var s=x.responseText.replace(/{t}/g,\"<table style='width:100%'>\").replace(/{s}/g,\"<tr><th>\").replace(/{m}/g,\"</th><td>\").replace(/{e}/g,\"</td></tr>\").replace(/{c}/g,\"%'><div style='text-align:center;font-weight:\");"
-        "document.getElementById('l1').innerHTML=s;"
+        "eb('l1').innerHTML=s;"
       "}"
     "};"
     "x.open('GET','ay'+a,true);"
@@ -110,9 +113,9 @@ const char HTTP_SCRIPT_CONSOL[] PROGMEM =
     "var c,o,t;"
     "clearTimeout(lt);"
     "o='';"
-    "t=document.getElementById('t1');"
+    "t=eb('t1');"
     "if(p==1){"
-      "c=document.getElementById('c1');"
+      "c=eb('c1');"
       "o='&c1='+encodeURIComponent(c.value);"
       "c.value='';"
       "t.scrollTop=sn;"
@@ -143,7 +146,7 @@ const char HTTP_SCRIPT_MODULE1[] PROGMEM =
   "var os;"
   "function sk(s,g){"
     "var o=os.replace(\"value='\"+s+\"'\",\"selected value='\"+s+\"'\");"
-    "document.getElementById('g'+g).innerHTML=o;"
+    "eb('g'+g).innerHTML=o;"
   "}"
   "function sl(){"
     "var o0=\"";
@@ -158,7 +161,7 @@ const char HTTP_SCRIPT_INFO_BEGIN[] PROGMEM =
 const char HTTP_SCRIPT_INFO_END[] PROGMEM =
     "\";"                   // "}1" and "}2" means do not use "}x" in Information text
     "s=o.replace(/}1/g,\"</td></tr><tr><th>\").replace(/}2/g,\"</th><td>\");"
-    "document.getElementById('i').innerHTML=s;"
+    "eb('i').innerHTML=s;"
   "}"
   "</script>";
 const char HTTP_MSG_SLIDER1[] PROGMEM =
@@ -180,6 +183,11 @@ const char HTTP_BTN_RSTRT[] PROGMEM =
   "<br/><form action='rb' method='get' onsubmit='return confirm(\"" D_CONFIRM_RESTART "\");'><button>" D_RESTART "</button></form>";
 const char HTTP_BTN_MENU2[] PROGMEM =
   "<br/><form action='md' method='get'><button>" D_CONFIGURE_MODULE "</button></form>"
+#ifdef USE_TIMERS
+#ifdef USE_TIMERS_WEB
+  "<br/><form action='tm' method='get'><button>" D_CONFIGURE_TIMER "</button></form>"
+#endif  // USE_TIMERS_WEB
+#endif  // USE_TIMERS
   "<br/><form action='w0' method='get'><button>" D_CONFIGURE_WIFI "</button></form>";
 const char HTTP_BTN_MENU3[] PROGMEM =
   "<br/><form action='mq' method='get'><button>" D_CONFIGURE_MQTT "</button></form>"
@@ -206,7 +214,7 @@ const char HTTP_BTN_CONF[] PROGMEM =
   "<br/><br/><form action='cn' method='get'><button>" D_CONFIGURATION "</button></form>";
 const char HTTP_FORM_MODULE[] PROGMEM =
   "<fieldset><legend><b>&nbsp;" D_MODULE_PARAMETERS "&nbsp;</b></legend><form method='get' action='sv'>"
-  "<input id='w' name='w' value='6' hidden><input id='r' name='r' value='1' hidden>"
+  "<input id='w' name='w' value='6,1' hidden>"
   "<br/><b>" D_MODULE_TYPE "</b> ({mt)<br/><select id='g99' name='g99'></select><br/>";
 const char HTTP_LNK_ITEM[] PROGMEM =
   "<div><a href='#p' onclick='c(this)'>{v}</a>&nbsp;<span class='q'>{i} {r}%</span></div>";
@@ -214,7 +222,7 @@ const char HTTP_LNK_SCAN[] PROGMEM =
   "<div><a href='/w1'>" D_SCAN_FOR_WIFI_NETWORKS "</a></div><br/>";
 const char HTTP_FORM_WIFI[] PROGMEM =
   "<fieldset><legend><b>&nbsp;" D_WIFI_PARAMETERS "&nbsp;</b></legend><form method='get' action='sv'>"
-  "<input id='w' name='w' value='1' hidden><input id='r' name='r' value='1' hidden>"
+  "<input id='w' name='w' value='1,1' hidden>"
   "<br/><b>" D_AP1_SSID "</b> (" STA_SSID1 ")<br/><input id='s1' name='s1' placeholder='" STA_SSID1 "' value='{s1'><br/>"
   "<br/><b>" D_AP1_PASSWORD "</b><br/><input id='p1' name='p1' type='password' placeholder='" D_AP1_PASSWORD "' value='********'><br/>"
   "<br/><b>" D_AP2_SSID "</b> (" STA_SSID2 ")<br/><input id='s2' name='s2' placeholder='" STA_SSID2 "' value='{s2'><br/>"
@@ -222,7 +230,7 @@ const char HTTP_FORM_WIFI[] PROGMEM =
   "<br/><b>" D_HOSTNAME "</b> (" WIFI_HOSTNAME ")<br/><input id='h' name='h' placeholder='" WIFI_HOSTNAME" ' value='{h1'><br/>";
 const char HTTP_FORM_MQTT[] PROGMEM =
   "<fieldset><legend><b>&nbsp;" D_MQTT_PARAMETERS "&nbsp;</b></legend><form method='get' action='sv'>"
-  "<input id='w' name='w' value='2' hidden><input id='r' name='r' value='1' hidden>"
+  "<input id='w' name='w' value='2,1' hidden>"
   "<br/><b>" D_HOST "</b> (" MQTT_HOST ")<br/><input id='mh' name='mh' placeholder='" MQTT_HOST" ' value='{m1'><br/>"
   "<br/><b>" D_PORT "</b> (" STR(MQTT_PORT) ")<br/><input id='ml' name='ml' placeholder='" STR(MQTT_PORT) "' value='{m2'><br/>"
   "<br/><b>" D_CLIENT "</b> ({m0)<br/><input id='mc' name='mc' placeholder='" MQTT_CLIENT_ID "' value='{m3'><br/>"
@@ -232,7 +240,7 @@ const char HTTP_FORM_MQTT[] PROGMEM =
   "<br/><b>" D_FULL_TOPIC "</b> (" MQTT_FULLTOPIC ")<br/><input id='mf' name='mf' placeholder='" MQTT_FULLTOPIC" ' value='{m7'><br/>";
 const char HTTP_FORM_LOG1[] PROGMEM =
   "<fieldset><legend><b>&nbsp;" D_LOGGING_PARAMETERS "&nbsp;</b></legend><form method='get' action='sv'>"
-  "<input id='w' name='w' value='3' hidden><input id='r' name='r' value='0' hidden>";
+  "<input id='w' name='w' value='3,0' hidden>";
 const char HTTP_FORM_LOG2[] PROGMEM =
   "<br/><b>{b0</b> ({b1)<br/><select id='{b2' name='{b2'>"
   "<option{a0value='0'>0 " D_NONE "</option>"
@@ -247,7 +255,7 @@ const char HTTP_FORM_LOG3[] PROGMEM =
   "<br/><b>" D_TELEMETRY_PERIOD "</b> (" STR(TELE_PERIOD) ")<br/><input id='lt' name='lt' placeholder='" STR(TELE_PERIOD) "' value='{l4'><br/>";
 const char HTTP_FORM_OTHER[] PROGMEM =
   "<fieldset><legend><b>&nbsp;" D_OTHER_PARAMETERS "&nbsp;</b></legend><form method='get' action='sv'>"
-  "<input id='w' name='w' value='5' hidden><input id='r' name='r' value='1' hidden>"
+  "<input id='w' name='w' value='5,1' hidden>"
   "<br/><b>" D_WEB_ADMIN_PASSWORD "</b><br/><input id='p1' name='p1' type='password' placeholder='" D_WEB_ADMIN_PASSWORD "' value='********'><br/>"
   "<br/><input style='width:10%;' id='b1' name='b1' type='checkbox'{r1><b>" D_MQTT_ENABLE "</b><br/>";
   const char HTTP_FORM_OTHER2[] PROGMEM =
@@ -274,7 +282,7 @@ const char HTTP_FORM_UPG[] PROGMEM =
 const char HTTP_FORM_RST_UPG[] PROGMEM =
   "<form method='post' action='u2' enctype='multipart/form-data'>"
   "<br/><input type='file' name='u2'><br/>"
-  "<br/><button type='submit' onclick='document.getElementById(\"f1\").style.display=\"none\";document.getElementById(\"f2\").style.display=\"block\";this.form.submit();'>" D_START " {r1</button></form>"
+  "<br/><button type='submit' onclick='eb(\"f1\").style.display=\"none\";eb(\"f2\").style.display=\"block\";this.form.submit();'>" D_START " {r1</button></form>"
   "</fieldset>"
   "</div>"
   "<div id='f2' name='f2' style='display:none;text-align:center;'><b>" D_UPLOAD_STARTED " ...</b></div>";
@@ -330,6 +338,11 @@ void StartWebserver(int type, IPAddress ipweb)
       WebServer->on("/", HandleRoot);
       WebServer->on("/cn", HandleConfiguration);
       WebServer->on("/md", HandleModuleConfiguration);
+#ifdef USE_TIMERS
+#ifdef USE_TIMERS_WEB
+      WebServer->on("/tm", HandleTimerConfiguration);
+#endif  // USE_TIMERS_WEB
+#endif  // USE_TIMERS
       WebServer->on("/w1", HandleWifiConfigurationWithScan);
       WebServer->on("/w0", HandleWifiConfiguration);
       if (Settings.flag.mqtt_enabled) {
@@ -1001,17 +1014,16 @@ void HandleSaveSettings()
 
   char stemp[TOPSZ];
   char stemp2[TOPSZ];
-  byte what = 0;
-  byte restart;
   String result = "";
 
   AddLog_P(LOG_LEVEL_DEBUG, S_LOG_HTTP, S_SAVE_CONFIGURATION);
 
   char tmp[100];
-  WebGetArg("w", tmp, sizeof(tmp));
-  if (strlen(tmp)) {
-    what = atoi(tmp);
-  }
+  WebGetArg("w", tmp, sizeof(tmp));  // Returns "5,1" where 5 is config type and 1 is restart flag
+  char *p = tmp;
+  uint8_t what = strtol(p, &p, 10);
+  p++;  // Skip comma
+  uint8_t restart = strtol(p, &p, 10);
   switch (what) {
   case 1:
     WebGetArg("h", tmp, sizeof(tmp));
@@ -1085,6 +1097,13 @@ void HandleSaveSettings()
       Settings.seriallog_level, Settings.weblog_level, Settings.syslog_level, Settings.syslog_host, Settings.syslog_port, Settings.tele_period);
     AddLog(LOG_LEVEL_INFO);
     break;
+#ifdef USE_TIMERS
+#ifdef USE_TIMERS_WEB
+  case 7:
+    TimerSaveSettings();
+    break;
+#endif  // USE_TIMERS_WEB
+#endif  // USE_TIMERS
 #ifdef USE_DOMOTICZ
   case 4:
     DomoticzSaveSettings();
@@ -1136,8 +1155,6 @@ void HandleSaveSettings()
     break;
   }
 
-  WebGetArg("r", tmp, sizeof(tmp));
-  restart = (!strlen(tmp)) ? 1 : atoi(tmp);
   if (restart) {
     String page = FPSTR(HTTP_HEAD);
     page.replace(F("{v}"), FPSTR(S_SAVE_CONFIGURATION));
diff --git a/sonoff/xdrv_05_domoticz.ino b/sonoff/xdrv_05_domoticz.ino
index 3e1dfdc4907f..5aa6a7c43f28 100644
--- a/sonoff/xdrv_05_domoticz.ino
+++ b/sonoff/xdrv_05_domoticz.ino
@@ -22,7 +22,7 @@
 #ifdef USE_WEBSERVER
 const char HTTP_FORM_DOMOTICZ[] PROGMEM =
   "<fieldset><legend><b>&nbsp;" D_DOMOTICZ_PARAMETERS "&nbsp;</b></legend><form method='post' action='sv'>"
-  "<input id='w' name='w' value='4' hidden><input id='r' name='r' value='1' hidden>"
+  "<input id='w' name='w' value='4,1' hidden>"
   "<br/><table>";
 const char HTTP_FORM_DOMOTICZ_RELAY[] PROGMEM =
   "<tr><td style='width:260px'><b>" D_DOMOTICZ_IDX " {1</b></td><td style='width:70px'><input id='r{1' name='r{1' placeholder='0' value='{2'></td></tr>"
diff --git a/sonoff/xdrv_09_timers.ino b/sonoff/xdrv_09_timers.ino
index 350f49dfd6dd..d84b14358352 100644
--- a/sonoff/xdrv_09_timers.ino
+++ b/sonoff/xdrv_09_timers.ino
@@ -36,7 +36,7 @@
 enum TimerCommands { CMND_TIMER, CMND_TIMERS };
 const char kTimerCommands[] PROGMEM = D_CMND_TIMER "|" D_CMND_TIMERS ;
 
-power_t fired = 0;
+uint16_t fired = 0;
 
 void TimerEverySecond()
 {
@@ -45,6 +45,7 @@ void TimerEverySecond()
     uint8_t days = 1 << (RtcTime.day_of_week -1);
 
     for (byte i = 0; i < MAX_TIMERS; i++) {
+      if (Settings.timer[i].device >= devices_present) Settings.timer[i].data = 0;  // Reset timer due to change in devices present
       if (Settings.timer[i].arm) {
         if (time == Settings.timer[i].time) {
           if (!bitRead(fired, i) && (Settings.timer[i].days & days)) {
@@ -88,67 +89,74 @@ boolean TimerCommand()
   int command_code = GetCommandCode(command, sizeof(command), XdrvMailbox.topic, kTimerCommands);
   if ((CMND_TIMER == command_code) && (index > 0) && (index <= MAX_TIMERS)) {
     uint8_t error = 0;
-
     if (XdrvMailbox.data_len) {
-      StaticJsonBuffer<128> jsonBuffer;
-      JsonObject& root = jsonBuffer.parseObject(dataBufUc);
-      if (!root.success()) {
-        snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_CMND_TIMER "%d\":\"" D_JSON_INVALID_JSON "\"}"), index); // JSON decode failed
-        error = 1;
-      }
-      else {
-        char parm_uc[10];
-
-        index--;
-        if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_ARM))].success()) {
-          Settings.timer[index].arm = (root[parm_uc] != 0);
+      if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload <= MAX_TIMERS)) {
+        if (XdrvMailbox.payload == 0) {
+          Settings.timer[index -1].data = 0;  // Clear timer
+        } else {
+          Settings.timer[index -1].data = Settings.timer[XdrvMailbox.payload -1].data;  // Copy timer
+        }
+      } else {
+        StaticJsonBuffer<128> jsonBuffer;
+        JsonObject& root = jsonBuffer.parseObject(dataBufUc);
+        if (!root.success()) {
+          snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_CMND_TIMER "%d\":\"" D_JSON_INVALID_JSON "\"}"), index); // JSON decode failed
+          error = 1;
         }
-        if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_TIME))].success()) {
-          uint16_t itime = 0;
-          uint8_t value = 0;
-          char time_str[10];
-
-          snprintf(time_str, sizeof(time_str), root[parm_uc]);
-          const char *substr = strtok(time_str, ":");
-          if (substr != NULL) {
-            value = atoi(substr);
-            if (value > 23) value = 23;
-            itime = value * 60;
-            substr = strtok(NULL, ":");
+        else {
+          char parm_uc[10];
+          index--;
+          if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_ARM))].success()) {
+            Settings.timer[index].arm = (root[parm_uc] != 0);
+          }
+          if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_TIME))].success()) {
+            uint16_t itime = 0;
+            uint8_t value = 0;
+            char time_str[10];
+
+            snprintf(time_str, sizeof(time_str), root[parm_uc]);
+            const char *substr = strtok(time_str, ":");
             if (substr != NULL) {
               value = atoi(substr);
-              if (value > 59) value = 59;
-              itime += value;
+              if (value > 23) value = 23;
+              itime = value * 60;
+              substr = strtok(NULL, ":");
+              if (substr != NULL) {
+                value = atoi(substr);
+                if (value > 59) value = 59;
+                itime += value;
+              }
             }
+            Settings.timer[index].time = itime;
           }
-          Settings.timer[index].time = itime;
-        }
-        if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_DAYS))].success()) {
-          // SMTWTFS = 1234567 = 0011001 = 00TW00S = --TW--S
-          Settings.timer[index].days = 0;
-          const char *tday = root[parm_uc];
-          char ch = '.';
-
-          uint8_t i = 0;
-          while ((ch != '\0') && (i < 7)) {
-            ch = *tday++;
-            if (ch == '-') ch = '0';
-            uint8_t mask = 1 << i++;
-            Settings.timer[index].days |= (ch == '0') ? 0 : mask;
+          if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_DAYS))].success()) {
+            // SMTWTFS = 1234567 = 0011001 = 00TW00S = --TW--S
+            Settings.timer[index].days = 0;
+            const char *tday = root[parm_uc];
+            char ch = '.';
+
+            uint8_t i = 0;
+            while ((ch != '\0') && (i < 7)) {
+              ch = *tday++;
+              if (ch == '-') ch = '0';
+              uint8_t mask = 1 << i++;
+              Settings.timer[index].days |= (ch == '0') ? 0 : mask;
+            }
           }
-        }
-        if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_REPEAT))].success()) {
-          Settings.timer[index].repeat = (root[parm_uc] != 0);
-        }
-        if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_DEVICE))].success()) {
-          Settings.timer[index].device = ((uint8_t)root[parm_uc] -1) & 0x0F;
-        }
-        if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_POWER))].success()) {
-          Settings.timer[index].power = (uint8_t)root[parm_uc] & 0x03;
-        }
-        if (Settings.timer[index].arm) bitClear(fired, index);
+          if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_REPEAT))].success()) {
+            Settings.timer[index].repeat = (root[parm_uc] != 0);
+          }
+          if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_DEVICE))].success()) {
+            uint8_t device = ((uint8_t)root[parm_uc] -1) & 0x0F;
+            Settings.timer[index].device = (device < devices_present) ? device : devices_present -1;
+          }
+          if (root[UpperCase_P(parm_uc, PSTR(D_JSON_TIMER_POWER))].success()) {
+            Settings.timer[index].power = (uint8_t)root[parm_uc] & 0x03;
+          }
+          if (Settings.timer[index].arm) bitClear(fired, index);
 
-        index++;
+          index++;
+        }
       }
     }
     if (!error) {
@@ -181,6 +189,150 @@ boolean TimerCommand()
   return serviced;
 }
 
+/*********************************************************************************************\
+ * Presentation
+\*********************************************************************************************/
+
+#ifdef USE_WEBSERVER
+#ifdef USE_TIMERS_WEB
+const char HTTP_TIMER_SCRIPT[] PROGMEM =
+  "var pt=[],ct=99;"
+  "function qs(s){"                                               // Save code space
+    "return document.querySelector(s);"
+  "}"
+  "function ce(i,q){"                                             // Create select option
+    "var o=document.createElement('option');"
+    "o.textContent=i;"
+    "q.appendChild(o);"
+  "}"
+  "function st(){"                                                // Save parameters to hidden area
+    "var d,h,i,m,n,s,p;"
+    "h=qs('#ho');"
+    "m=qs('#mi');"
+    "d=qs('#d1');"
+    "s=0;"
+    "n=1<<30;if(eb('a0').checked){s|=n;}"                         // Get arm
+    "n=1<<29;if(eb('r0').checked){s|=n;}"                         // Get repeat
+    "for(i=0;i<7;i++){n=1<<(16+i);if(eb('w'+i).checked){s|=n;}}"  // Get weekdays
+    "s|=(eb('p1').value<<27);"                                    // Get power
+    "s|=(d.selectedIndex<<23);"                                   // Get device
+    "s|=((h.selectedIndex*60)+m.selectedIndex)&0x7FF;"            // Get time
+    "pt[ct]=s;"
+    "eb('t0').value=pt.join();"                                   // Save parameters from array to hidden area
+  "}"
+  "function ot(t,e){"
+    "var d,h,i,m,n,s,tl,p,q;"
+    "h=qs('#ho');"
+    "m=qs('#mi');"
+    "d=qs('#d1');"
+    "if(ct==99){"                                                 // Do this once
+      "pt=eb('t0').value.split(',').map(Number);"                 // Get parameters from hidden area to array
+      "for(i=0;i<=23;i++){ce((i<10)?('0'+i):i,h);}"               // Create hours select options
+      "for(i=0;i<=59;i++){ce((i<10)?('0'+i):i,m);}"               // Create minutes select options
+      "for(i=0;i<}1;i++){ce(i+1,d);}"                             // Create devices
+    "}else{"
+      "st();"                                                     // Save changes
+    "}"
+    "tl=document.getElementsByClassName('tl');"                   // Remove the background color of all tablinks/buttons
+    "for(i=0;i<tl.length;i++){tl[i].style.cssText=\"background-color:#ccc;color:#fff;font-weight:normal;\"}"
+    // Add the specific color to the button used to open the tab content
+    "e.style.cssText=\"background-color:#fff;color:#000;font-weight:bold;\";"
+    "s=pt[t];"                                                    // Get parameters from array
+    "p=s&0x7FF;"                                                  // Get time
+    "q=Math.floor(p/60);if(q<10){q='0'+q;}h.value=q;"             // Set hours
+    "q=p%60;if(q<10){q='0'+q;}m.value=q;"                         // Set minutes
+    "for(i=0;i<7;i++){p=(s>>(16+i))&1;eb('w'+i).checked=p;}"      // Set weekdays
+    "p=(s>>23)&0xF;d.value=p+1;"                                  // Set device
+    "p=(s>>27)&3;eb('p1').value=p;"                               // Set power
+    "p=(s>>29)&1;eb('r0').checked=p;"                             // Set repeat
+    "p=(s>>30)&1;eb('a0').checked=p;"                             // Set arm
+    "ct=t;"
+  "}";
+const char HTTP_TIMER_STYLE[] PROGMEM =
+  ".tl{float:left;border-radius:0;border:1px solid #fff;padding:1px;width:6.25%;}"
+  "</style>";
+const char HTTP_FORM_TIMER[] PROGMEM =
+  "<fieldset style='min-width:470px;text-align:center;'><legend style='text-align:left;'><b>&nbsp;" D_TIMER_PARAMETERS "&nbsp;</b></legend><form method='post' action='sv'>"
+  "<input id='w' name='w' value='7,0' hidden><input id='t0' name='t0' value='";
+const char HTTP_FORM_TIMER1[] PROGMEM =
+  "</div><br/><br/><br/>"
+  "<div>"
+  "<b>" D_TIMER_DEVICE "</b>&nbsp;<span><select style='width:12%;' id='d1' name='d1'></select></span>&emsp;"
+  "<b>" D_TIMER_POWER "</b>&nbsp;<select style='width:25%;' id='p1' name='p1'>"
+    "<option value='0'>" D_OFF "</option>"
+    "<option value='1'>" D_ON "</option>"
+    "<option value='2'>" D_TOGGLE "</option>"
+    "<option value='3'>" D_BLINK "</option>"
+  "</select>"
+  "</div><br/>"
+  "<div>"
+//  "<b>Time</b>&nbsp;<input type='time' style='width:25%;' id='s1' name='s1' value='00:00' pattern='[0-9]{2}:[0-9]{2}'>&emsp;"
+  "<b>" D_TIMER_TIME "</b>&nbsp;<span><select style='width:12%;' id='ho' name='ho'></select></span>&nbsp;:&nbsp;<span><select style='width:12%;' id='mi' name='mi'></select></span>&emsp;"
+  "<input style='width:5%;' id='a0' name='a0' type='checkbox'><b>" D_TIMER_ARM "</b>&emsp;"
+  "<input style='width:5%;' id='r0' name='r0' type='checkbox'><b>" D_TIMER_REPEAT "</b>"
+  "</div><br/>"
+  "<div>";
+const char HTTP_FORM_TIMER2[] PROGMEM =
+  "type='submit' onclick='st();this.form.submit();'";
+
+const char S_CONFIGURE_TIMER[] PROGMEM = D_CONFIGURE_TIMER;
+
+void HandleTimerConfiguration()
+{
+  if (HTTP_USER == webserver_state) {
+    HandleRoot();
+    return;
+  }
+  AddLog_P(LOG_LEVEL_DEBUG, S_LOG_HTTP, S_CONFIGURE_TIMER);
+
+  String page = FPSTR(HTTP_HEAD);
+  page.replace(F("{v}"), FPSTR(S_CONFIGURE_TIMER));
+  page += FPSTR(HTTP_TIMER_SCRIPT);
+  page += FPSTR(HTTP_HEAD_STYLE);
+  page.replace(F("</style>"), FPSTR(HTTP_TIMER_STYLE));
+  page += FPSTR(HTTP_FORM_TIMER);
+  for (byte i = 0; i < MAX_TIMERS; i++) {
+    if (i > 0) page += F(",");
+    page += String(Settings.timer[i].data);
+  }
+  page += F("' hidden><div>");
+  for (byte i = 0; i < MAX_TIMERS; i++) {
+    snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("<button type='button' class='tl' onclick=\"ot(%d,this)\"%s>%d</button>"),
+      i, (0 == i) ? " id='dP'" : "", i +1);
+    page += mqtt_data;
+  }
+  page += FPSTR(HTTP_FORM_TIMER1);
+  page.replace(F("}1"), String(devices_present));
+  char day[4] = { 0 };
+  for (byte i = 0; i < 7; i++) {
+    strncpy_P(day, PSTR(D_DAY3LIST) + (i *3), 3);
+    snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("<input style='width:5%%;' id='w%d' name='w%d' type='checkbox'><b>%s</b>"), i, i, day);
+    page += mqtt_data;
+  }
+  page += F("</div>");
+
+  page += FPSTR(HTTP_FORM_END);
+  page.replace(F("type='submit'"), FPSTR(HTTP_FORM_TIMER2));
+  page += F("<script>eb('dP').click();</script>");  // Get the element with id='defaultOpen' and click on it
+  page += FPSTR(HTTP_BTN_CONF);
+  ShowPage(page);
+}
+
+void TimerSaveSettings()
+{
+  char tmp[MAX_TIMERS *12];  // Need space for MAX_TIMERS x 10 digit numbers separated by a comma
+
+  WebGetArg("t0", tmp, sizeof(tmp));
+  char *p = tmp;
+  for (byte i = 0; i < MAX_TIMERS; i++) {
+    uint32_t data = strtol(p, &p, 10);
+    p++;  // Skip comma
+    if ((data & 0x7FF) < 1440) Settings.timer[i].data = data;
+  }
+}
+#endif  // USE_TIMERS_WEB
+#endif  // USE_WEBSERVER
+
 /*********************************************************************************************\
  * Interface
 \*********************************************************************************************/