Kensington Universal Multi-Display Adapter - External video adapter - USB 3.0 - DVI - black

Adding a second screen is now as easy as adding the Kensington Universal Multi-Display Adapter. With an additional screen, you can screen emails, chat, and work on your presentation, all at once without juggling, flipping or tabbing through open windows. In fact, research has shown that those adding multiple screens increased productivity by 42%.