It's not safe to open the door without knowing that who is outside the door and the purpose of his/her visit. Video door phone solves this purpose. you can talk and see the person outside your door and then once if you are confirm that the person is genuine and authorized, you can press the unlock button to open the door.
we provide single apartment and multi apartment video door phone system of various well known brands like Zicom, Alba Urmet, Panasonic, Samsung, cp Plus etc.