4ch mini Moblie DVR with 3.5inch TFT screen,support 2.5 SATA HDD interface,4 CH video+2 CH audio,3G,GPRS,screen all are optiona 4ch mini Moblie DVR with 3.5inch TFT screen,Car Black box,Vehicle DVR JD-MDVR8800 series products (MDVR8800N, MDVR8800, MDVR8800G, and MDVR8800GP) are the next generation, high-performance, 4-Channel D1 mobile DVR. It uses the MPEG-4 video compression technique. The ...