1.Measure the light sensitivity
2.Battery: CR123A x 1 Standby time:2 years
3.Sensitivity distance:7m Sensitive angle: 110 degree
4.Wireless Type:2.4GHz Wifi distance:45m
5.Operating Humidity: 20% 85%
6.Free app:Tuyasmart or Smart Life.
7.Support systems: Android and IOS.