... , CRT Display, Projection,LCD TV,Rear-Projector directly to achieve super hi-vision, distinct ... Product Interface: Annotation Interface Function Introduction:(as the chart below) DC12V: Power Input, direct- ... , signal input port.VIDEO IN 1 5BNC: Signal input port, the same as VIDEO IN2.K1: Switching ... -1 direct-current, advised current above 1A Input the video signal: support RsGB, RGsB, RGBs, RGBCS, ...