The Fermax 67524 flush-type electric door opener is a device that is installed in the door frame to control its opening from a remote location by means of an electrical device.
In an electronic door entry system it is possible to activate the door opener at the entrance to the building and allow the access of the visit from the telephone or monitor of the house by pressing the key 'key' of the door opener.
A flush-mounted door opener consists of an electrical mechanism and an armature.