1. WiFi+Bluetooth dual mode: Faster connection to . Connecting to is twice faster than only WiFi 2. Easy to install and can be used when attached to the wall 3. There are three brightness settings that can achieve different brightness action responses 4. Brightness sensor linkage on-off device, switch, light bulb, socket, motor, etc. to achieve smart home 5. USB power supply, don't worry about running out of battery power. Connection: there are WiFi and ZigBee version for your option Standby power: less than equal 0.5W, USB power Lighting sensing range: 0-1000LUX Size: . 30x16x58mm/1.18x0.63x2.28inch. Work temperature: 0-50 Angle: 180 Work humidity: 20-85 Working temperature: 0-60(32-140) Colour:White Material:Plastic Package Contents: 1x Tuya ZigBee Light Sensor Only the above package content, other products are not included. Note: Light reflection 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.