This product from Hall Research Technologies is a high-quality component video to PC HDTV scaler switcher. It is designed to seamlessly switch between component composite S-Video HD15 VGA signals, making it the perfect solution for industrial automation and motion controls. The unit comes with an OEM included DC power adapter and features RS232 capabilities for added convenience. The TVB-400A model is a reliable and efficient unit that ensures superior performance for all your video switching needs. Scaler feature allows any input resolution from any input to be switched and scaled to a single resolution output. Perfect for projectors and displays requiring multiple sources. Purchase now for a hassle-free experience.