Coolseer WiFi light brightness Sensor is used to detect the brightness of light. It could also trigger other devices like light, curtaon etc to on/off automatically.
2. Input: 3*AAA battery
3. Luminance detect range: 0-30000 lux
5.Product size(L*W*H): 70*70*27mm
6.Detect luminance to on/off light,curtain etc automatically