Elock YD-601 Basic Wall Mounted Door Holder

Elock YD-601 Basic Wall Mounted Door Holder. YD-601 is a standard type wall mount door holder which adopts low power consumption that makes it more environments friendly and more durable. Professional anti-residual magnetism design ensures highest security. It will release automatically the fire door when fire alarm. It also contains build-out release button for testing and build-in MOV which reverse current protection.