... 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 ... , etc.Function:1. Adopt high reliable special SOC scheme , super performance RTOS, truly realize industrial MTBF;2. D1 high clear ...