... alarm output Production informationYDAK-9004: 4 channels video input 2 channels audio,compress H.264 100 ... frame, D1 image qualityYDAK-9008: 8 channels video input 4 channels audio compress H.264 200 ... (BNC interface,1VP-P,75Ω)Video Output1 channel multiplex video output(BNC interface,1VP-P,75 ... ×576),VGA output(1024×768),video compression CIF(352×288)Video image qualityimage quality totally has ...