MASSCOOL HS-MA403 Mini HDMI Amplifier Switch 3 IN, 1 OUT, Support 2K x 4K Type: HDMI Switchers Color: Black Specifications: Vertical Frequency Range: 30/50/60Hz Video Amplifier Bandwidth: 3.0Gbps/ 300MHz Interlaced(50&60Hz): 480i,576i,1080i Progressive(50&60Hz) : 480p,576p,720p,1080p,4k x2k External Power Supply: No power needed for standard product Power consumption (Max): 5W Power consumption (Max): 5W Input Connector: Input DDC Signal: 5 volts p-p (TTL) Output Connector: HDMI 1.4b Maximum Resolutions: 4k x 2k Package Contents: Main unit Remote control IR extender receiver User Manual