Description: 100% brand new and high quality! This sensor is in sleep mode when in lighting, such as during the day. It can be controlled by any sound and will work in dark environments, such as at night. If the sensor feels a sound, the controlled lamp will be on about 45s. Good workmanship and stable performance. Automatic control, save energy. High sensitivity, practicality. Durable to use. Used in hallway, bathroom, warehouse, stairs, etc. Specifications:Product Name: Sound Sensor SwitchLight Sensitivity: DarkProduct Model: MR-SK50AMload Rate: le; 40W Input Voltage: AC180-265V 50/60Hz Induction Sound: 50-70 decibels (within 6 meters)Induction Delay: 40 seconds 10 seconds Photosensitive Setting: le; 10Lux Waterproof: IP22 Working Temperature: -20 - 45 CRuerch Size: Length 38mm Width 28mm Height 16mm Application Lamps: LED Fixtures, Ceiling Lights, Panel Lights, Incandescent Bulbs and other Light Fixtures or Appliances. Package Included:1 * Sound Sensor Switch