Glass Cabinet Lock 1.High Security 2.Low voltage alarm 3.Low energy consumpition 4.CE Certificated DescriptionHM-002B New Hotel Keypad Lock 1. Keypad security lock2.Low voltage alarm 3.Low energy consumpition 4.CE,FCC certificated Basic Function -Four levels of management: Mother card, manager card, service card and guest card.-Mother Card: Only one mother card in the same system, to issue or ...