Garmin Drive 50 USA LMT GPS Navigator System with Lifetime Maps and Traffic, Driver Alerts, Direct Access, and Foursquare data DRIVER ALERTS - Receive alerts for upcoming sharp curves, speed changes, school zones, a fatigue warning, nearby red light and speed cameras and more EASY TO USE - Dedicated GPS navigators display current street, current speed, speed limit and arrival time GARMIN REAL DIRECTIONS - Guides like a friend, using recognizable landmarks, buildings and traffic lights FOURSQUARE - Preloaded data from Foursquare adds millions of new and popular stores, restaurants and more DIRECT ACCESS - Simplifies navigating to select complex destinations, such as malls and airports This USB mass storage device is compatible with Windows XP or newer and Mac OS X 10.4 or later.