The Garmin nuvi 1450LM 5.0" GPS Unit is one of the latest additions in the category of large screen portable GPS units. With a large 5.0" touch screen, you can clearly see whatever you are looking for. The unit comes with free lifetime maps, routing, and lane assist with junction views to guide you through busy highway interchanges. This lane assist Garmin GPS unit also helps you with the pedestrian routing feature so that you are careful while driving on those lanes. ecoRoute is another exciting feature of the Garmin Touchscreen GPS which guides you to take the most fuel-efficient route. Turn-by-turn spoken instructions allow you to concentrate on the road. The Garmin lock protects the Garmin nuvi 1450LM 5.0" GPS Unit from theft. Enjoy battery life of up to three hours that is supplied by the lithium ion battery. This lane assist Garmin GPS can be easily mounted in your car in three different ways as per your convenience. 5.0" touchscreen, TFT-WQVGA, 480 x 272 pixels - Presents information clearly and brightly for optimal navigation Turn-by-turn directions - Get spoken directions Lane assist - Guides you to the best lane ecoRoute - Provides the most fuel-efficient route Garmin Lock - Helps prevent theft of your device Battery - Lithium ion battery provides up to 3 hours of battery life This unit comes with a windshield mount (suction cup) and with a Dashboard Discs that mount directly onto the car dash and the windshield mount (suction cups mounts onto the disc.