Garmin n&uuml;vi 3597LMTHD 5-Inch Portable Bluetooth Vehicle GPS with Lifetime Maps and HD Traffic 5.0" high resolution display, with "pinch and zoom" capability Detailed maps of North America with free lifetime updates Free lifetime HD Digital Traffic -the fastest, best traffic solution from Garmin (the vehicle power cable is also the traffic receiver) Smartphone Linkis a free mobile app that connects your nvi with your iPhone or Android smartphone. When paired, your nvi can use your phones existing data plan to share information  such as where you parked, POIs and your destination. 3-D Buildings & Terrain depict landmarks and the natural landscape in North America