... Live\display\Playback\Recording\Backup\ Mobile phone Surveillance \Network simultaneously Display Resolution PAL:D1(704*576),NTSC:D1( ... USB,Moved Hard Disk,USB Writer,Network Network Transmission 4 Channels real-time Network transmission with CIF resolution Recording Play ... DHCP, DNS,DDNS,NTP,UPNP IE Browser Support Client Software Support Dual Stream Support(Main and secondary interchange) Group ...