-This 3-input to 1 output HDMI switcher has the key switching function and the intelligent function\n\n-The 3 input to 1 output HDMI switcher routes high definition 4k x 2k video and digital audio from one of the 3 sources to show unity\n\n-Three inputs are suitable for the simultaneous connection of high-definition video sources, such as HD player, DVD, TV, Laptop, Set-Top Box, PS3, Xbox360, etc. \n\n-The output sends the high-definition audio/video signals to a high-definition display such as HDTV \n\n-Maintains high-resolution video - clear and sharp HDTV resolutions up to 1080p, 2k, 1440p graphics, and computer resolutions up to 4k x 2k are easily achieved\n\n-Support 3D High performance up to 3.4Gbps\n\n-Features plastic construction, with the SELECT knob for easy operation\n\nPackage Weight:08g\n\nPackage Dimensions:14cm x 4cm x 21cm\n\nPackage Includes:\n\n1 x HDMI 3 Port Switch\n\n1 x Remote