1. DVR for car video recording, realtime 2. 4-channel Car DVR records 4 cameras 3. The best Car DVR with Network, 500GB HDD 4 channel Car DVR with Network with 500GB HDD, Vehicle DVRName: Network DVR, Car DVR, Vehicle DVR with network.Model: VR850Technical Index:Brief Introduction:VR850 is a new type of 4-CH Network Video Server, which can be widely used in household, office, supermarket, etc. ...