Magellan RC5190SGLUC RoadMate Commercial 5190T-LM Vehicle Profile Routes calculated based on vehicles weight, height, width, length as well as hazmat restrictions OneTouchTM Favorites Menu Easily create shortcuts to your favorite destinations and previous searches with personalized bookmarks so you can quickly find them. 5-Inch High Definition Screen Large, vibrant display with day and night views for easy visibility Free Lifetime Map Updates1 Never worry about out-of-date maps again. Download the latest map information (up to 2 times a year) for the life of your Magellan RoadMate navigator Free Lifetime Traffic Alerts2 Real-time, subscription-free traffic updates sent directly to your GPS unit to avoid traffic jams and other delays. Choose to continue your current route or take a suggested detour