WiFi Smart Heat Detector with Tuya App Control, 2.4GHz WiFi Heat Alarm with Sealed 10-Year Battery, VH01W

-Intelligent WiFi heat alarm, real-time notification, control your home anywhere
-Heat alarm, easy to install, low battery alarm, heat sensitivity: 54-70 ℃, the batteries are sealed
-10 year life battery with large capacity, low battery warning
-Linkable to Smart App: 2.4GHz WiFi connection, instant notifications, fast, accurate detection, battery status, test mode, mute