4 channel Digital Video Server,Network Video Server,Digital Video Server,H.264, 1~4 ports, Full D1 704*576 or 4 CIF 252*288 4 channel Digital Video Server,Network ... : WEB & Windows based software3.2.VideoVideo Input:1/2/4 Channel, 1.0Vp-p, 75ΩVideo Standards: PAL625Line,50f/s,NTSC525Line,60f/sVideo Compression ...