Two-Wire video intercom system for villa:DS6V1

Two-Wire video intercom system for villa: DS6V1 Door station: D5S60 Indoor phone: D3010 1) Door station: surface-mounted, vandal-proof,water-proof,nameplate changeable. 2) Indoor phone: 5" TFT color TFT.Super thin and elegant design 3) Indoor phone: remote unlock,surveilance and talk to door station in "monitor" status. 4) 2-wire non-polar wiring enables easy installation 5) Kit includes one door station, one indoor phone and one power supply. 6) 15 meters 2-cord wire in the package if needed.