Light Sensor Working with Smart Life App Linkage Intelligence Illumination Sensor Powered by TuYa Features: *Sensitive to light, linkage intelligence. Make your life smarter. *Illumination 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 use! Do you often face this kind of problem? Forget to close the curtains when the light is bright, Forget to turn off the lights during the day and waste a lot of energy, The bedroom lamp is on... Let's solve the problem for you with the smart WIFI light sensor. Precise light sense linkage control 0lux-1000lux Brightness at acquisition time  Turn off the lights automatically when the daylight is greater than the set brightness value, save a lot of electricity. Automatic linkage closing curtain when the light is greater than the set brightness values, make life into full automation. Specifications: Power Supply: by USB cable APP Name: Smart Life Item Size: about 55*30*16mm Package Size: 8 * 7 * 6cm / 3.1 * 2.8 * 2.4in  Package Weight: 54g / 1.9oz  Package list:   1 * TuYa Wifi Light Sensor  1 * USB Cable 1 * Reset Tool 1 * User Manual