1. Easy to install, sticker to the wall, then connect to with and linkage to smart switch. 2. Sensitive to light.Smoth around, not easy to be bruised. 3. Lighting and brightness sensing linkage , switch, lamp, socket, motor, etc. 1. Standby power: 0.5W 2. Lighting range: 70-30000LUX 3. Working temperature: 0 ~ 50 4. Working current: 5ua-496ma 5. Working humidity: 20% ~ 85% 6. Storage temperature: 0 C ~ 60 C (32 F ~ 140 F) 7. Change value: 70 (Only when the illuminance changes over 60LUX, the APP display value will change) Type:Tuya Wifi Smart Light Sensor color:White Material:plastic Package Contents: 1 x Tuya Wifi Smart Light Sensor Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.