With complete preloaded U.S. and Canada street maps and over two million helpful locations highlighted, such as gas stations, restaurants, and hotels, this global satellite-based navigation system is the most advanced portable unit available. The crisp 7" 16:9 LCD screen is viewable in any light conditions with an adjustable Day/Night mode, and can also be used to watch movies (so passengers can enjoy a film on long trips) via the built-in DVD player, and a built-in FM transmitter allows you to broadcast the units voice and movie playback through the automobiles audio system). The navigation database can store favorite locations, and is voice guided, allowing you to receive voice prompts as you keep your eyes on the road and hands on the wheel. Birds-eye map views show your progress on the road, while the system guides you to your destination, even suggesting detours in case of unforeseen construction or traffic delays. No installation required. Plugs into a car cigarette lighter. 1 1/2" H x 5 1/2" W x 7" L. (6 lbs.)