Intelligent Sound Voice Sensor Light Switch 220V Module Detector Auto On Off MR-SK50A For LED Downlights, Ceiling Lamps, Panel Description: If the sensor feel sound, the controlled lamp will be light about 45s. Fine workmanship and stable performance. Automatic control, save energy. Used in corridor, bathroom, warehouse, stair etc. Specification: Product Name: Sound Sensor Switch Sensitivity to light :darkeness Product model: MR-SK50A Load power: ≤40W Input voltage: AC180-265V 50/60Hz Induction sound: 50-70 decibels (within 6 meters) Induction delay: 40 seconds ± 10 seconds Photosensitive setting: ≤10Lux Waterproof rating: IP22 Working temperature: -20 ~ 45 ° C Product size: length 38mm × width 28mm × height 16mm Packing quantity: 1000 / box Package Included: 1*Sound Sensor Switch