Tripp Lite's U244-001-R USB to DVI / VGA Multi Monitor External Video Adapter allows you to connect an additional monitor or projector to a computer/laptop's USB 2.0 port. Up to six adapters can be used simultaneously, allowing the user to connect up to six additional monitors to a single computer. Once the installation is done, the computer screen appears on the add-on monitor(s) without the hassle of function keys to swap to a second monitor. Supports computer video resolutions up to 1920 x 1200, and HD resolutions up to 1080p (60Hz).