1. WiFi+Bluetooth dual mode: Faster connection to . Connection to is twice as fast as WiFi-only. 2. Easy to install and can be used when attached to the wall. 3. There are three brightness settings that can achieve different lighting actions. 4. Light sensor linkage on-off device, switch, light bulb, socket, motor, etc. to achieve smart home automation. 5. USB power supply, no need to worry about the battery running out. Connection: There is a WiFi and ZigBee version for your choice. Standby power: less than or equal to 0.5W, USB power. Light sensing range: 0-1000LUX. Size: Approx. 30x16x58mm/1.18x0.63x2.28 inches. Working temperature: 0-50℃. Angle: 180°. Working humidity: 20-85%. Working temperature: 0-60℃ (32-140℉). Color: White Material: Plastic Package Contents: 1x Tuya ZigBee Light Sensor Only the above package content, other products are not included. Note: Light reflections and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.