2 WIRE TECHNOLOGY. Four-family audio-video external station mod. « Villa ». Front aesthetics made of bi-material: black glass and natural brushed aluminum. Adjustable camera, 2 outputs for the management of the electric locks. Name tags supplied. It can be installed externally on the wall or built-in using special boxes and rain cover. Dimensions (LxHxD): 100x215x45,7 mm. V44 EASY SYSTEM.