The device has a 5"" wide screen and comes with Lifetime Maps updates. The GPS features fuel and mileage logs, driving timers and provides customizable warnings and alerts. The IntelliRoute® TND&trade 530LM offers 35 more truck routing information than other GPS units. The device additionally offers millions of POI listings, junction view and RoadWork&trade construction updates (via the Dock&trade). TND530LM Features: GPS Vehicle Navigation System, 5"" Widescreen Display, FREE Lifetime Map Updates, Truck-Specific Routing, Virtual Dashboard, Traffic Everywhere, Junction View, Preloaded maps of US & Canada, Multi-Stop Entire Route Preview, Find Destinations By: - Address - Zip Code - Latitude & Longitude, Customizable Warnings - Set Warnings for Speed Limit Changes, Sharp Curves & More - Set Display Preferences & Warning Distance, Enhanced Help, Tips & FAQ, Cross-Reference to Printed Atlas, RoadWork&trade Construction Updates, Export State-by-State & Province Mileage, Enhanced Quick Planner - Calculate Mileage & Profitability Between any 2 Places, Expanded Address Book Functionality - Select Icons to Display on Map - Import Address Books from Computer or Other GPS Devices via Dock&trade, Millions of POI Listings - Truck Stops, Weigh Stations, Service & Repair Stations, Exits Quick View, Mile Markers, ""Bread-Crumb"" Trails, Service & Maintenance Alerts, Key Definitions: Multi-Stop Entire Route Preview: Display of the entire route at a highway level. Virtual Dashboard: At a glance, view sunrise or sunset, odometer, speed, altitude and other key metrics. Junction View: Manage complex interchanges in 3-D, with lane guidance. Enhanced Warnings: Includes upcoming speed limit changes, sharp curves, steep hills and time-zone changes. Enhanced Help, Tips & FAQs: Select various level s of on board assistance. Cross-Reference to Printed Atlas: Instant cross reference to Rand McNally's printed Motor Carriers' Road Atlas. RoadWork&trade Construction Updates: Route around construction, or add time to your route. Enhanced Quick Planner: City to city mileage and profitability calculator, with calculations considering average speed, and more Expanded Address Book Functionality: Import and sort by distance or name."