Features: Place light sensors beside windows, walls, doors, etc. It can sense changes in light and illumination, and control other smart devices to make life convenient and comfortable. The light sensor is sensitive to low light levels and automatically turns on lights when needed, helping to protect your eyes. When indoor lighting is sufficient, the light sensor automatically turns off the lights, saving energy and reducing environmental impact. When indoor light intensity is high, the light sensor automatically closes the curtains to prevent sunlight from damaging furniture and sensitive items. Supports the advanced Zigbee 3.0 protocol, offering enhanced security, improved compatibility, a complete smart home solution, stable network performance, and low power consumption. Specifications: Item: Light Sensor Color: White Shell Material: ABS Temperature measurement range: -10°C to 50°C Detection range: 0-83000 lux Wireless Connection: Zigbee 3.0 Operating humidity: 0-95% RH, non-condensing Detection accuracy: 2% Size: 40x40x17mm Packaging Size: 7.7x7x3cm Package Weight: 42g Note: Supports English interface. Compatible with Xiaomi and Green Mi Zigbee 3.0 gateway devices; not compatible with Graffiti gateways. Compatibility may vary between brands. Package List: 1 x Light Sensor