... backup, network transmission, mobile phone surveillance4. Support backup with USB Flash Disk, Movable hard disk, DVD writer, Network 5. Support ... playback simultaneously, search by time or by typebackupUSB flash drive / USB HDD/USB CD&DVD-RW/Built-in SATA burner/NetworkAlarm ... CH, RS485 PTZ (A B - G)USB2 CH, USB interfaceRemote controlsupportPower SupplyDC 12V/6APower Consumption< 20W (without HDD ...