... system 4/8/16 Channel video input, 1 Channel video output 2 Channel audio input, 2 Channel audio output High quality images ... , sharpness and color adjustable for each channel Display modes: full screen, 4 images, 8 images, 16 images. ... 2000G HDDRecording ModeContinuous, motion detection, time scheduleSensors, Alarm2-channel input. 1-channel output.Audio2CH In , 2CH Out;2CH In , 2CH ...