Want to hook up your computer to your TV or projector but your they are without a VGA input? This device converts PC VGA to composite (Yellow RCA) and/or S-video TV display signal. It supports VGA pass through so that you can keep your computer monitor connected while sending a signal to the TV/projector at the same time. All outputs (VGA, RCA, S-Video) are loopthrough and displayed simultaneously. The device comes with fine tuning control to allow adjustment to the picture quality to your preference.