1) The light use PIR senror 2) The light is only 30mm thick 3) Auto switching on when detecting people coming Specifications:Super sensitivity within 3meter distanceWireless,easy to install,can be used in bedroom, washing room,and on refrigerator,washer,iron door,exhaust fan and anywhere you need lightLED quantity 8PCSLED Brightness 10000cdm (25°);1300 cdm(120°)-(optional)Stand-by current <0.35mA ...