SmartDetour: Automatically prompts you to route around sudden, slowed or stopped traffic on freeways, highways or motorways QuickSpell: Intelligently sorts, searches and checks spelling for rapid address entry with minimal keystrokes Auto-reroute: Re-calculates a new route automatically if you miss a turn Accurate, built-in maps: Pre-programmed with NAVTEQ maps of 48 continental United States Look-Up Options: Look up any destination by address, street intersection and points of interest using fingertip touch interface TrueView: Pop up visual of upcoming turn Map View: 3D birds eye and standard map views Night View: Display automatically turns to the night view based on time of day Color touch screen: 3.5 hi-resolution anti-glare screen Points of interest: Almost 1.5 million pre-loaded points of interest. Find restaurants, hotels, airports, etc. Battery: Integrated for portability Reception: Integrated antenna facilitating clear signal Battery Type: 1200mA Li Ion rechargeable Battery Life: Up to 3 hours USB: 1.1 GPS Chipset: SiRFstarIII User Interface: Touch screen Route Calculator: Choose from four different route methods: Shortest Time, Shortest Distance, Least Use of Freeways, Most Use of Freeways. You may also choose Avoid Toll Roads Address Book: Holds 250 addresses