Perfect for situations where two HDMI devices must share a single HDMI input on a display, this HDMI auto switch provides for hassle free operation. Most high-definition audio/video components utilize the HDMI interface to provide crystal clear, digital sound and picture. With the wealth of devices now using HDMI, it's easy to run out of free HDMI inputs on your TV set or receiver. This HDMI selector switch solves the problem by providing additional high-definition digital inputs for sources including DVD player, Blu-ray, disc and HD-DVD players, gaming systems, and high-definition cable/satellite boxes. The auto switching functionality provides for a system that is easy to use, while manual switching functionality is available for situations where more control is desired.