... ) Wireless, easy to Install, can be used in bedroom, washing room, and on refrigerator, washer, iron door, exhaust fan and anywhere ... instance >3 M.4 - When background bright is insufficient, LED lamp will automatically switch on if human passes.Delay time: 20s ... , 60s, 90s, Contant (emergency lamp).5 - hi-light LED: 6 pcs, luminance: 12000~15000MCD, angle ...