7-Zoll-Farb-Video-Türsprechanlage

4 WIRE HAND FREE COLOR VIDEO DOORPHONEvideo door phoneVisitor calling, hand free, video intercom, unlock, Monitor, with alarm function, night vision, Auto turn off, video and audio input and output, multi-rings available, CMOS Rain-proof CameraOr CCD option. With LED lights. 4 wire connection. Available to connect with separately indoor unitSpecification:Power course: DC15VScreen: 7" TFT LCDEffective resolution: 1440(H)x234(V)Operation temperature: -15 +50External dimension:Monitor:250(L)x180(W)x26(H)mmCamera: 127(L)x95(W)x35(H)mmInstallation: surface-mountMatch way: one to one, one to two, two to two system.Connection: 4 wires or non-polarity 2 wire connectionIncluding: One monitor, one outdoor unit. One user manual, one steel for wall mount, screws, 3meters cable, one AV cable,one power adapter.