4ch video,4ch audio,H.264, CIF:PAL 100FPS,NTSC:120FPS; Camera DVR Camera DVR 4ch video,1ch audio,H.264,CIF: PAL 100FPS,NTSC:120FPS; D1:PAL 50FPS,NTSC 60FPS; 1ch 25FPS D1 and 3ch 25FPS CIF; GUI, mouse,IR remote control VGA, LAN,Supports 1x2TB SATA,USB2.0 backup output,alarm,PTZ, Supports 4CH playback simultaneously,I.E., email message,DDNS,iPhone/WinMobile viewing; supports 200ch CMS,1.0U case.