... 2-4 channels alarm output Production informationYDAK-9004: 4 channels video input 2 channels audio,compress H.264 100 frame, D1 ... -16 channel multiplex (BNC interface,1VP-P,75Ω)Video Output1 channel multiplex video output(BNC interface,1VP-P,75Ω)1 channel VGA ... distinguish ratedisplay(407×576),VGA output(1024×768),video compression CIF(352×288)Video image qualityimage quality totally has 6 levels(1 ...