Compression format: MPEG4     Full real timeRealtime monitoring image resolution：
PAL:704*576     NTSC:704*480Replay image resolution：QCIF/CIFvideo input channels：4 CH BNC  totally 100framesoutput modes：NTSC/PALAudio output：1 CH BNC(V：1.0Vp-p,N：75 Ω )video framerate：PAL:1/16—25F/S，NTSC:1/16—30F/SAudio compression standard：OggVorbisaudio in/out: 2CH RCA/1CH RCA(V：2Vp-p,N：1 Ω )supporting one IDE Hard Disk
Network function and VGA are available