... channels audio,compress H.264 100 frame, D1 image qualityYDAK-7008: 8 channels video input 4 ... channels audio compress H.264 200 frame, CIF image qualityYDAK-7016: 16 channels video input 16 ... channels audio compress H.264 400 frame, CIF image quality ParametersVideo Input4-16 channel multiplex (BNC interface ... ,4,5,6)and level 1 is the highest image qualityOperation syste built-in real time operation ...