The Auto On/off Light Switch Photo Control Sensor is a high-quality sensor that automatically controls the lighting in your space. It is designed to be in a dormant state during the day when there is sufficient lighting. However, in dark environments such as at night, it can be activated by any sound. When the sensor detects sound, it will activate the controlled lamp and keep it lit for approximately 45 seconds. This sensor is not only practical but also energy-saving, making it an ideal choice for corridors, bathrooms, warehouses, stairs, and other areas. With its fine workmanship and stable performance, this sensor offers high sensitivity and durability. It has a sensitivity to darkness, allowing it to function effectively in low-light conditions. The sensor has a photosensitive setting of 10Lux and can withstand temperatures ranging from -20 to 45 degrees Celsius. It is also waterproof with an IP22 rating. The Auto On/off Light Switch Photo Control Sensor is compatible with various types of lamps, including LED downlights, ceiling lamps, panel lights, bulbs, and other lighting fixtures or appliances. It is easy to install and provides convenient automatic control over your lighting, ensuring energy efficiency and convenience. Key Features: Automatic control for energy-saving High sensitivity in low-light conditions Durable and stable performance Easy installation Compatible with various lamps and lighting fixtures Waterproof with IP22 rating Suitable for corridors, bathrooms, warehouses, stairs, and more Photosensitive setting of 10Lux