1.LCD video door phone DVR 2.2ch outdoor unit,4ch ... network 5.mobile watch LCD video door phone DVR with network,LCD DVR video door phone,LCD DVR kits,LCD video door phone ... kitsMonitor Descriptions:8” TFT –LCD and 2-way ... 520TVL,600TVL are optionalIndoor cameras, outdoor cameras are optional Combo LCD video door phone DVR