About this item MULTIPLE DISPLAYS - Connect multiple USB 2.0 display adapters to your computer to expand your screen space with up to 6 additional 1920x1080 HDMI, DVI, or VGA displays (one 1080p display per adapter) BOOST PRODUCTIVITY - Maximize your productivity and workspace. With multiple displays, youâ€re able to get more done in less time especially on tasks that have you working across a handful of windows and tabs COMPACT AND PORTABLE - Easily stow in any backpack or laptop bag, taking up roughly the same space as a pack of playing cards. No external power adapter needed BROAD COMPATIBILITY - Works with any modern Windows laptop, desktop, or tablet device, and most legacy Windows systems 2 YEAR WARRANTY - We love our Plugable products, and hope you will too. All of our products are backed with a 2-year limited parts and labor warranty as well as Seattle-based email support