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Welcome to littleboss2018.th shop [LIB] Auto On Off Light Sound Voice Sensor Switch Sound Voice Sensor Switch Time Delay [OL] Description: 100% brand new and high quality This sensor is in dormant state when in lighting environment, for example in daytime It can be controlled by any sound and it will work in the dark environment, for example in night If the sensor feel sound, the controlled lamp will be light about one minute Application: In corridor, bathroom, Warehouse, Stair and so on Specifications: Model: OD-SK-04 Operating power: LED: 20 W / Filament lamp:100 W Light illumination: 6LUX Sensitivity: 55 DB-85 DB Color: White Package Content: 1 x Voice Sensor Switch