... 100fps(PAL), 120fps(NTSC)4ch video input,1ch BNC output,1ch VGA output4ch audio input,1 ch audio ... ModeUSB mouse, IR remote control, Keyboard, NetworkVideoInput4 channel, BNC(1.0Vp-p, 75)StandardNTSC(525Line, 60f/s), PAL ... Ω)Channel 1 for bidirectional-talk input synchronouslyOutput1 channel, BNC(200-3000mV, 5KΩ)DisplayDisplay Split1/4Resolution800x600Tour DisplaySupportPrivacy Masking4 self ...