7 "Türsprechanlage

1. One door station can support up to 4 indoor phones.2. Handfree color video intercom system with 5.6'' or 7'' CRT screen and CCD or CMOS camera. 3.LED in the door station provides a clear picture even in nighttime.4.10 seconds ring tones, 30 seconds active surveillance and 120 seconds intercom are available.5. Double ding-dong ring,remote door unlocking and waterproof are available.6.Connection:4 or 5 wires7.Panel: Plastics8.Installation:a. For door station:surface or flush mountingb.For indoor phone:surface mounting9.Power supply: DC15-18V10.Consumption: Standby 0.5 W; Working status 15W11.Dimensions:a. For door station: 125 x 80x 35mm b.For indoor phone:150 x 255x 32mm