Audio indoor station for video door intercom system VT200, with hands-free function, can also be used as an additional gong. 3 selectable ring tones for door call, floor call and internal call. Buttons for call acceptance, door opener control and internal call. Internal call possible within a residential unit. Reverse polarity protected 2-wire bus connection to a VT200 system power supply. Incl. connection for floor call button. Up to 3 indoor stations per call button can be operated in the system. Power supply: 24-29V DC, max. 2.1W from system power supply. Color: white/silver. Delivery includes wall bracket. Housing dimensions: 90 x 138 x 18mm.