Belkin HDMI 2-Ports Switch (2X1). This is a high performance mini HDMI Switcher. It is compatible with HD-DVD, STV, PS3, Xbox360 etc. The multiple resolutions it uses can be up to 1080p. This kind of HDMI Amplifier Switcher not only has the key-press-switching function, but also has intelligent function. That is to say, as soon as the power supply of the source equipment is switched ,this switcher will respond automatically. The 2 x 1 HDMI Switcher routes high definition video (in multiple resolutions up to 1080p)and digital audio from any one of the two sources to display unit. Two inputs accommodate the simultaneous connection of up to two high definition video sources, such as satellite systems and HD DVD players. The output sends the high definition audio/video signals to a high definition display. Switching is done via it self automatically when signal present on the ports.