The VU4000 4K Video Adapter simply plugs into a USB 3.0 port on your laptop and connect to the HDMI video cable of your monitor, projector or TV so you can see your content in Ultra HD. With more and more people realizing the productivity gains of working on a 4K monitor, Kensington has an easy way for you to upgrade your laptop without the need for a 4K graphics card. You can either mirror your laptop screen or extend it for increased productivity.