Features:- Used in corridors, bathrooms, warehouses, stairs, etc.- Fine workmanship and stable performance. Automatic control saves energy. High sensitivity and practicality. Durable and easy to use.- The sensor is dormant in a lighting environment during the day. It can be controlled by any sound and it will work in a dark environment at night. If the sensor senses the sound, the controlled light will illuminate for approximately 45 seconds.Specification:Size: approx. 38 * 27 * 16mmRated voltage: 220VWorking voltage: AC 180-240V 50 / 60HzSensing range: 4-10MLoad power: 60W (LED light, incandescent light); 35W (energy saving light, fluorescent light)Package included:Switch *1Notes:1. Manual measuring, please allow 1 ~ 3mm error,thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.