A professional-level video adapter that allows you to extend your display to 4K Ultra HD from your USB-C port. The adapter is ideal for desktop productivity expansion, or connecting to the video equipment in a conference room for a presentation. The adapter offers extend mode or mirror mode and is also compatible with Thunderbolt™ 3 ports. 4K Ultra HD resolution at 60fps from your laptop to a monitor, TV or projector (host device must support DisplayPort™ Alt Mode over USB-C) Extend or mirror modes Thunderbolt™ 3 compatible Plug & Play installation Premium construction so your laptop and display remain safe User-upgradeable firmware for Windows assures up-to-date compatibility. (Your firmware is up to date.) Compatible with Windows® 10, 8.1; Mac OS® X 10.10 or later; ChromeOS®