Specifications:Power Supply: by USB cableAPP Name: Smart LifeColor: WhiteMaterial: ABSItem Size: about 55 x 30 x 16mmIllumination sensor brightness detection: Al automatic linkage execution, working with TuYa home automation system.WIFI intelligent prompt report statistics, display current brightness.WIFI connection to the router, easy installation, wide application.Mini size design, suitable for put on any place, just power on and useLet's solve the problem for you with the smart WIFI light sensor.Precise light sense linkage control.Turn off the lights automatically when the daylight is the set brightness value, save a lot of electricity.Automatic linkage closing curtain when the light is the set brightness values, make life into full automation.Package list:1 x TuYa Wifi Light Sensor1 x USB CableOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.