... video output1CH BNC (1.0Vp-p,75Ω),support group circular monitoring AUDIOCompressionADPCMInput16 CH BNC (linear voltage,10.0KΩ)Output2 CH ... Division1/4/6/9/13/16/20/25/36 split screen, with e-map preview mode RECORDResolutionQCIF:176×144(PAL) ... CH OtherSystem resource Multi-CH recording,playback,network operation and monitoring simultaneouslyNetwork RJ45,auto adapt 10/100/1000M Ethernet,support PPPoE ...