... Zoom and PIPSupportMultiplex Operationlive, record, playback, backup, network transmission,mobile phone surveillanceDisplay ResolutionPAL:D1(704*576),NTSC ... 704*480)Recording BackupSupport USB,Moved Hard Disk,Network remote backup;Suppot the file and time ... period backupNetwork Transmission4 channels real-time Network transmission with CIF resolutionRecording PlaySupport Special player, ...