Door Entry Systems are an increasingly popular security feature and commonly used in blocks of flats and private residencies. They provide as excellent solution where access needs to be restricted.
Door Entry Systems allow speech between someone wishing to gain access through a controlled door and a person in the building , who can then admit the caller by pressing a button.
Video Entry System
Video Entry Systems include the same audio link as the normal door entry systems but also have a visual link which allows the occupant to not only talk to the caller but also see them