GARMIN GPS 18 LAPTOP NAVIGATOR. Turns laptop PC into powerful street navigator. The GPS 18 is a GPS sensor bundled with Route & City Select software that automatically guides with turn-by-turn directions & voice prompts for safe arrival to destination. Route features easy-to-use interface for easy operation so user can focus on driving. Offers auto-routing & voice-prompting capabilities to virtually any address. Comes with fully unlocked MapSource City Select CDs for full coverage of the entire United States, Canada & Puerto Rico. Map detail includes highways, interstates, business & residential roads, with turn restrictions, speed categories & other navigation features including more than five million points of interest including restaurants, lodging, attractions, shopping, emergency services, post offices etc. 12-parallel channel, WAAS-enabled sensor with either USB connection. Receiver includes integrated magnetic base & is less than 3'' in diameter. (Laptop not included).