From d7460ea07ab2acdb0ce19968f8a0745e981955fc Mon Sep 17 00:00:00 2001
From: Steven Green <steven.green@smartthings.com>
Date: Mon, 24 Nov 2025 11:44:07 -0800
Subject: [PATCH] WWSTCERT-9074 Cync Fan Switch

---
 drivers/SmartThings/matter-thermostat/fingerprints.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/SmartThings/matter-thermostat/fingerprints.yml b/drivers/SmartThings/matter-thermostat/fingerprints.yml
index 8358e3164e..92a8ea3207 100644
--- a/drivers/SmartThings/matter-thermostat/fingerprints.yml
+++ b/drivers/SmartThings/matter-thermostat/fingerprints.yml
@@ -16,6 +16,12 @@ matterManufacturer:
     vendorId: 0x1209
     productId: 0x3012
     deviceProfileName: thermostat-heating-only-nostate
+  #Cync
+  - id: "4921/121"
+    deviceLabel: Cync Fan Switch
+    vendorId: 0x1339
+    productId: 0x0079
+    deviceProfileName: fan-generic
   #Eve
   - id: "4874/79"
     deviceLabel: Eve Thermo