Freedor Fire Door Closers
Available from Fire Protection Shop are Freedor wireless free swing fire door closes available in stainless steel and brass. The door closes are suitable to use for holding right and left hand swing fire doors.
The Freedor technology allows the door to be open at any angle and will automatically close the door if the fire door is in the open position when the alarm sounds.
You can also purchase a battery pack for the wireless door closes. The battery pack is 9v and will last between 12-18 months (dependent on usage amount).