... and brightness lower than 20 LUX , LEDS keep on.1 Adjustable brightness ( from bright to dark) ... can be used in bedroom, washing room, and on refrigerator, washer, iron door, exhaust fan and anywhere you ... internal process C.The induction light is always on when human being have movement within certain ... resource. 7.it could be randomly sticked on refrigerate,washmachine,steel-gate,wall and ceiling wall ...