... any direction available.Wealth of input and output interface,supports a variety of signal input,suitable for most kinds of professional ... consumption,energy saving and environmental protection,low heat,suitable for long hours.Structure features:All metal chassis,anti-static ... frequency50Hz,60Hz,70Hz,75HzVideo systemPAL/NTSCComposite video input/outputBNC x 3 input/BNC x 1 Loop-through output 1Vp- ...