Garmin n&uuml;vi 55LMT GPS Navigators System with Spoken Turn-By-Turn Directions, Preloaded Maps and Speed Limit Displays (Lower 49 U.S. States)-(Certified Refurbished) Display size: 4.4 x 2.5 inches, 5 inches diagonal Lifetime warranty traffic avoidance helps you navigate around jams Lane assist with junction view allows you to see the map and visual depiction of your exit at the same time Preloaded street maps of the lower 49 United States so you don't have to download anything Lifetime warranty map and traffic updates included