The most important feature of a GPS system for your car is, of course, its ability to direct you from point A to point B. When examining potential units, compare the ease with which you can enter addresses and other data. Also compare the clarity of the voice giving the directions and whether it simply tells you to turn at the next street or if it reads actual street names, a feature which can make navigating unfamiliar areas easier.This portable GPS navigation system makes driving more pleasurable and less stressful. The portable GPS navigation system features a 4.3in screen with a high 480 x 272 resolution of display, which will take you unbelievable feeling of route guide and video enjoyment. You can enjoy safe and relaxed driving with this USB Car GPS Navigation System. This 4.3Inch GPS Navigation is designed for drivers and gives a big picture of the route ahead without obstructing your view. Preloaded maps delivers directions, with this portable GPS navigation system, you can go to your favorite place without worrying about getting lost.