... functionSupport NTSC / PAL video system4/8/16 Channel video input, 1 Channel video output4 Channel audio input, ... for mobile viewing, users need to install H.264 media player.Channel4CH8CH16HVideo Input BNC(1.0V ... 30*16FPS (NTSC)Audio1 input, 1 output4 inputs, 2 outputs4 inputs, 1 outputsAlarm Input4CH(Normal Open)8CH(Normal ... drives, DVD+RW, DVD+R, DVD-R, card readers, HDD, etc. Internal DVD models: DVD+ ...