... , camera blank, video loss Easy backup: USB devices, DVD-RW, network download Built-in web server, Support CMS, ... function: live, recording, playback, backup & remote accessControl ModeFront panel, USB mouse, IR remote control, Keyboard, NetworkVideoInput4channel, BNC (1.0Vp ... size)Backup ModeFlash drive / USB HDD / USB CD/DVD-RW / Network downloadNetworkEthernetRJ-45 port (10/100/1000M)Network ...