... network video surveillance system 1,H.264 4ch DVR 2.D1 and CIF can be adjusted CCTV DVR system ... 4 channel H.264 standalone network video surveillance system GS7004AD Product Features:1 ... \Playback\Recording\Backup\Mobile phone Surveillance \Network simultaneouslyDisplay ResolutionPAL:D1(704*576),NTSC:D1 ... 45 10/100M via Ethernet, Support TCP/IP,PPPOE,DHCP,DNS,DDNS,SNTP,NTP,UPNPIE ...