Magellan RoadMate 500 3-Inch Portable GPS Navigator Auto navigation system that's ready to go, right out of the box--no wires to hook up or cards to plug in Turn-by-turn guidance with voice prompting helps you find your way, even when you make wrong turns Full-color screen automatically adjusts to the light conditions for easy viewing day or night Includes with 2 million points of interest across the contiguous United States and Canada Includes detailed map of U.S. and major Canadian areas on 4 CD-ROMs; download specific areas to supplied 256 MB CompactFlash card