Feature:
.Surface-mounted door station, zinc alloy shell, color CCD, surface-mounted, water-proof, anti-vandal
.Surface-mounted 10.2 inch color TFT indoor monitor, with sensor buttons,
.Call ,talk and remote unlocking
.Support 2-channel CCTV and 2 door stations security surveillance
.Can connect TV, DVD or MP3 player to watch TV and listen to music from indoor monitor
.Color / contrast / brightness / volume adjustable
.Support upto 2 indoor monitors，intercom between monitors
.Do Not Disturb function
.Power supply: DC 13.8V,1.5A adapter
.4-wire connection