Smart Home Security Alarm

Main Features:
The elegant Xiaomi Aqara smart door and windows sensor adds an exclusive touch to your home security. With a ZigBee wireless connection, it triggers an alarm when doors are opened and the light will automatically turn on when pushed. In Away from Home mode, the bell will ring and the IP camera (not included) will capture video if someone breaks in. Its intelligent sensors also allow fresh air to enter when windows are opened. Its small size makes it easy to install in any room. 
Max. sensing distance: 22mm
Working temperature: -10 - 50 Deg.C
Working humidity: 0 - 95pct RH
Built-in 1pc CR1632 cell battery
Please download APP "Mi Home" from Apple Store or Google Play

Packing List:
Alarm X1PCS