... 30/45/60mins selectable. 12. HDD Interface:Support SATA HDD & USB disk. 13. Network Interface:RJ45, 10M/100M. 14. Network Protocol: ... IE (Internet Explorer) & with Mobile phone. 16. USB2.0:USB mouse, USB disk (backup, upgrade). 17. Playback Mode:Normal play, fast forward, ... rewind, frame by frame. 18. Backup:Backup AVI file via USB flash disk, USB disk. 19. PTZ Control:Built-in RS485, support PELCO-P ...