... format 4ch video input,1ch BNC output,1ch VGA output 4ch audio input,1 ch audio output USB backup 4CH, H.264, SATA ... compression formatRealtime: 25fps/ ch, 4ch 100fps(PAL), 120fps(NTSC)4ch video input,1ch BNC output,1ch VGA output4ch audio input,1 ch ... channel, BNC(1.0Vp-p, 75)StandardNTSC(525Line, 60f/s), PAL(625Line, 50f/s)Output1 TV, BNC(1.0Vp-p, 75 ...