H.264 video compression19 inch LCD all-in-one Standalone DVR 16:10Video Input: 16 channel BNCAudio In/Output :8channel RCA in /1channel RCA outDisplay Resolution: PAL:D1(704*576),NTSC:D1(704*480)Total Recording Quality: Single channel adjustableRecording Resolution: PAL: D1(704*576),HD1(704*288),CIF(352*288)NTSC: D1(704*480),HD1(704*240), CIF(352*240)Playback: 1/4/9/16channel simultaneously(playback channel option)Recording file Play: Special player, Support AVI file formatconversion2 SATA HDD(one per 2T storage)Network : 1 RJ-45 10/100M,supportTCP/IP,DHCP,DNS,DDNS,UPNPCMS: Support(One software for at most 50 DVR )Support Multi-language OSDMobile Phone Surveillance Support Windows CE, Symbian, iPhone,Blackberry,Andriod