Haozee Ewelink ZigBee Door Window Sensor Contact Sensor Security Burglar Alarm Magnetic Door Sensor Support Home Assistant Zigbee2mqtt

Power supply: Battery CR2032 3V DC(included)
Communication: Zigbee 3.0
App: eWelink
Detection accuracy: ≥5mm
Size: Main body: 50*25*11mm;

Permanent magnet: 30*14*11mm
Operating temperature: -10 °C~45 °C
Life of battery: 1.5 years (General use, 10times per day)

Suggest  you use the sensor with ewelink zigbee gateway ;

If you want to use with Alice /Yan dex /smarthings directly，please make sure your Alice /Yan dex /smarthings is built-in zigbee 3.0 hub;

[ Make your door/window smarter ] - when you leave home,it will push notification to you if the doors or windows are opened or invaded by an external boject,you will find anomalies in your home immediately

[ Battery powered ] - full of power long durable ,replace the battery is simple,service more intimate

[ PLUG & PLAY with Smart APP ] - Zigbee hub required