Basic Wall Mount Door Holder: Adopts low power consumption, that makes it more environment friendly and more durable. The Holding Force(Collinear Load) is 60kg(120Lbs)Professional anti-residual magnetism design ensures highest security. Automatically close the smoke proof door when fire happens. It also contains build-out release button for testing and build-in MOV which reverse current protection.
- Optional models: https://www.zudsec.com/door_closer_card_power/