diff --git a/app/js/_timer.js b/app/js/_timer.js
index c6d142d..2d9f888 100644
--- a/app/js/_timer.js
+++ b/app/js/_timer.js
@@ -12,7 +12,19 @@ var timerModule = angular.module('timer', [])
         autoStart: '&autoStart',
         language: '@?',
         fallback: '@?',
-        maxTimeUnit: '='
+        maxTimeUnit: '=',
+        seconds: '=?',
+        minutes: '=?',
+        hours: '=?',
+        days: '=?',
+        months: '=?',
+        years: '=?',   
+        secondsS: '=?',
+        minutesS: '=?',
+        hoursS: '=?',
+        daysS: '=?',
+        monthsS: '=?',
+        yearsS: '=?'   
       },
       controller: ['$scope', '$element', '$attrs', '$timeout', 'I18nService', '$interpolate', 'progressBarService', function ($scope, $element, $attrs, $timeout, I18nService, $interpolate, progressBarService) {
 
diff --git a/dist/angular-timer.js b/dist/angular-timer.js
index 1b89752..adeaee8 100644
--- a/dist/angular-timer.js
+++ b/dist/angular-timer.js
@@ -19,7 +19,19 @@ var timerModule = angular.module('timer', [])
         autoStart: '&autoStart',
         language: '@?',
         fallback: '@?',
-        maxTimeUnit: '='
+        maxTimeUnit: '=?',
+        seconds: '=?',
+        minutes: '=?',
+        hours: '=?',
+        days: '=?',
+        months: '=?',
+        years: '=?',   
+        secondsS: '=?',
+        minutesS: '=?',
+        hoursS: '=?',
+        daysS: '=?',
+        monthsS: '=?',
+        yearsS: '=?'   
       },
       controller: ['$scope', '$element', '$attrs', '$timeout', 'I18nService', '$interpolate', 'progressBarService', function ($scope, $element, $attrs, $timeout, I18nService, $interpolate, progressBarService) {