Features:1. Key-press-switching & intelligent function.2. It routes high definition 4k*2k video and digital audio from any one of the 3 sources to display unit.3. 3 inputs allows simultaneous connection of high definition video sources, such as HD player, Blu-ray player, Set Top Box, for PS3, for Xbox360, etc.4. The output sends the high definition audio/video signals to a high definition display like HDTV.5. Maintains high resolution video - crisp and sharp HDTV resolutions up to 1080p, 2k, 1440p graphics and computer resolutions up to 4k*2k are easily achieved.Specifications:3 input to 1 output HDMI switcher.Multifunctional in switching intelligent mechanical.Support HDMI 1.4b.Support full HD 4k*2k video resolution.Support 12bit deep color.Support 3D.High performance up to 3.4Gbps.Plastic construction, with SELECT button for easy operation.Power Supply: CR2025 battery (Battery is not included)Size: 8 x 5.7 x 1.7cm / 3.15 x 2.24 x 0.67inchPackage Included:1 x HDMISwitch1 x Remote Control1 x User Manual.