The EL-31C-4K22 is a 3x1 Multi-Format to HDMI Switcher with 4K@60Hz (4:4:4) switching featuring USB Type-C, HDMI and Mini DisplayPort inputs which are automatically converted to a standard HDMI format for use with projectors or displays. This unit provides easy switching functionality with both a manual input selection button and an optional auto-sensing “last memory” feature which can automatically switch to a newly connected source or revert to the previous source, if the current one becomes disconnected, with no user intervention necessary. This switcher is an ideal addition to any conference room, lecture hall or home entertainment setup with its portable and easy to install design.