(1).H.264 Video Compression Format
(2).CIF for recording,3 yards stream
(3).Support GPRS/3G mobile realtime monitor
(4).Dual-language (5).4CH synchronous/1CH playback
(7).Embedded linux system
(8).1 CH master video output,1 CH VGA video output
(9).16 CH Audio signal input, 1CH Audio signal output