◎Unlocking hole on landing panel or door jamb, passed 45kg pendulum impact test
◎Closing by spring type, spring assembled on inner top of landing door device, protected by dust shield
◎Suitable for glass door panels
◎Door lock qualified by the NATIONAL ELEVATOR INSPECTION CENTER, Level of protection is IP2X
◎Voltage for door lock: ≤ AC230V、≤ DC110V
