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. Also compare text-to-speech functionality, battery life and added features like Bluetooth capability and traffic routing, the latter of which can help you avoid areas with high volumes of traffic.Whether you're driving through an unfamiliar city or on your daily commute, this Car GPS makes your trip easier than ever before. Enjoy your Car GPS. The major function is navigation. This Best GPS features a 6inch large LCD touch screen with a high resolution of display, which will take you unbelievable feeling of route guide and video enjoyment. Street names and traffic info announced by your device, so you can focus on the road ahead. Enjoy safe and relaxed driving with this Auto GPS. What are you waiting for? Install this LCD Screen GPS in your car and enjoy the convenience it brings to you!