Lenovo ThinkVision LT1421 Monitor Review | External Monitor Reviews | LAPTOP Reviews: "It's no secret that using multiple monitors dramatically increases your productivity at the home or office, but the moment you travel with your laptop, you're stuck with a single screen. This year, we've seen a couple of vendors rise to the challenge by releasing portable USB monitors that can fit right in your notebook bag. Lenovo's 14-inch ThinkVision T1421 ($199) is clearly the best of these portable displays, with wide viewing angles, great image quality, and the ability to transfer power and data over a single USB connection."
External travel monitor, USB-powered