... alarm output Production informationYDAK-9004: 4 channels video input 2 channels audio,compress H.264 100 ... multiplex (BNC interface,1VP-P,75Ω)Video Output1 channel multiplex video output(BNC interface,1VP-P,75Ω) ... 407×576),VGA output(1024×768),video compression CIF(352×288)Video image qualityimage quality totally has ... 6 levels(1,2,3,4,5,6)and level ...