... watch LCD video door phone DVR with network,LCD DVR video door phone,LCD DVR kits,LCD video door phone kitsMonitor ... Multi-language interfacesQuad-or-full screen display, good video, quality and high resolutionDemountable, network access, Remote ... remote opertation.6 ch video input(4-channel CCTV video inputs, 2-channel video door phone inputs)4 ... cameras are optional Combo LCD video door phone DVR