... combos DVR with 15 inch LCD monitorProduct Introduction: 4CH H.264 LCD DVR3G Mobile Surveillance via Wireless InternetMonitor ... backup, network transmission, mobile phone surveillance5. Support backup with USB Flash Disk, Movable hard disk, USB writer, ... USB Writer,NetworkNetwork transmission4Channels real-time Network transmission with CIF resolutionRecording PlaySpecial player, Support AVI file ...