... 3>Support various types of mobile monitorin 4CH H.264 CCTV DVR with Mobile Access and USB (1)CPU:HI3515, Pure two ... H.264 compression, stream up to 35% lower than tradition DVR(2) Full real time record,real time playback,HQ (3 ... Operation,Live,record,playback,web,backup simultaneously (8)Remote control DVR by Network, remote control live, remote playback, remote control PTZ ...