The FERMAX CITY 4860, 4862, 4863 Intercom Kit with several doorbells is the ideal kit for a complete installation in almost any block of flats, shop or office. Installed at the entrances of the building, it allows communication with the flats and the opening of the door or garage. Features of the FERMAX CITY Intercom Kit Several Doorbells:The FERMAX 3393 LOFT 4+N Basic Telephone allows communication from the home to the panel located in the street with four wires + neutral, as well as incorporating a push button for opening the door. It is made from high-impact ABS, with a textured finish for easy cleaning and greater resistance to light. The new outdoor panel model is characterised by being more robust and of greater aesthetic and functional quality. It is made of anodised aluminium as the main material, together with chrome-plated zamak for pushbuttons and heads, which together provide great resistance to the elements and the most severe weather conditions. The contacts are gold-plat