Electronic door phone only for replacement of Fermax phones with ADS-VDS technology. It is not a universal phone, nor is it valid for the substitution of other brands. Made of high-impact ABS plastic, it has ultraviolet protection for greater resistance to light. Easy installation. The housing terminals require a simple programming that is done from the street plate or from the phone itself. The installation can be done with the following type of cabling: CAT5 UTP / 3 wires.
