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 of energy; The bedroom lamp is on...Let's solve the problem for you with the smart light sensor. This light sensor is made of ABS material, it is a practical and . Being very to light makes your life smarter. Features - Color: White. - Material: ABS. - Size: About 5.50X3.00X1.60cm/2.16X1.18X0.63inch. - Power Supply: by USB cable. - APP Name: Smart Life. - Item Size: about 55*30*16mm. - Package Size: 8x7x6cm / 3.1x2.8x2.4inch. - Package Weight: 54g / 1.9oz. - Precise light sense linkage control. 0lux-1000lux Brightness at acquisition time. - When the daylight is greater than the set brightness value, it will automatically turn off the light, which is very smart. - When the light is greater than the set brightness value, the curtains are automatically closed, which makes life more convenient. - Illumination sensor brightness : Al automatic linkage execution, working with TuYa system. - Perfect size design, suitable for living room, bedroom, study and other places. Package list: 1 x TuYa Light Sensor 1 x USB Cable 1 x Reset Tool 1 x User Manual