... with network,LCD DVR video door phone,LCD DVR kits,LCD video door phone kitsMonitor Descriptions:8” TFT –LCD ... -way communicationSupport Mobile Phone surveillanceLinux operating system, Multi-language interfacesQuad-or-full screen display, good video, quality and high resolutionDemountable, ... 4-channel CCTV video inputs, 2-channel video door phone inputs)4 channel monitor or single on screen display. ...