Switch between four HDMI sources to a single high-definition display. The 4K 4 x 1 HDMI Switch enables switching between four HDMI sources to a single display. The switch supports resolutions up to 4K (UHD) and has a smart auto switching function that enables the device to automatically switch to a source when it becomes active. Advanced EDID functionality enables the switch to either read and copy EDID automatically from screens or audio/video EDID information can be copied manually.