Garmin Dezl 580 is a dedicated truck navigation GPS device with dedicated routes for trucks. It has a screen size of 5-inch and which comes with the preinstalled maps of Garmin USA, Garmin UK and much more. It also comes with the intelligent Garmin truck GPS routes which help all our truck drivers deliver the goods on time. Our recommendation for all the truck drivers is to keep the GPS device updated with the latest Garmin map updates. These updates will help you to always deliver goods on time and also avoid pretty expensive tickets which you can get for going on the wrong roads, streets.