- Switch between four different HDMI sources to a single display.- Advanced EDID functionality ensures accurate output display.- Control via front panel push buttons, IR remote control, serial connection.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.