* Easily achieve the intelligent control of home appliances, simple operation, easy to use.
* 2.4GHz protocol is more stable, faster and more convenient.
* When leave home, it will push notification to you if the doors or windows are opened or
invaded by an external object, you will find anomalies in your home immediately.
* Reasonable size design, optimize the internal structure, which brings you convenience,
* Function: Detect Open/Close Status of the Door/Window
* Battery: CR2 x 1
* Standby Time: 2 years
* Standby Current: 13uA
* Wireless Type: 2.4GHz
* Protocol: IEEE 802.11b/g/n
* Wifi Distance: 45m/147.64ft
* Operating Temperature: 0°C~60°C/32°F~140°F
* Free App: Tuyasmart or Smart Life
* Support Systems: Android/IOS
* Main Body Size: 71 x 21 x 22mm/2.8 x 0.8 x 0.9in
* Deputy Body Size: 40 x 11 x 11mm/1.6 x 0.4 x 0.4in