... years warranty Fast delivery 4 channel combos DVR with 15 inch LCD monitorProduct Introduction: 4CH H.264 LCD ... , backup, network transmission, mobile phone surveillance5. Support backup with USB Flash Disk, Movable hard disk, USB writer, Network6 ... ,USB Writer,NetworkNetwork transmission4Channels real-time Network transmission with CIF resolutionRecording PlaySpecial player, Support AVI file format ...