... 5mm 2.LED,remote control,reading card 3.Working voltage:12~18v,working current:100mA Access control intelligent lock V3303D Model ... ,remote control,wireless remote controller,card reader Working status: voice and LED light indicate working status,normal status no LED light, ... closer. 5.with feedback signal,with LED light6.Working voltage:12~18v,working current:100mAIf you have any questions or concerns ...