?【free lifetime map updates】the latest 2024 north american maps are pre-installed (pre-installed: us, canada, mexico), if You need maps of other countries please contact us through amazon (downloadable but Not pre-installed maps: europe, south america, etc.),?【performance upgrade】using 2600mah polymer battery, 5v 2.5a -350cm line car charger, 7-inch high-definition sensitive touch Screen, resolution 800 * 480. Cpu: wince mediatek. built-in 16gb rom 256mb ram, maximum support 32g extended memory, large capacity can accommodate you can store maps and materials.,?【supports 7 vehicle modes】the gps navigation is suitable for car, truck, bus, taxi, bicycle, emergency and pedestrian. when driving the vehicle, you will benefit from the information of length, width, height, weight and other data. with a suction cup and back clip, you are able to easily fix the truck gps to the windshield or dashboard. It makes driving more comfortable. the navigation system in 44 languages,,?【gps navigation helps you avoid danger】car gps navigation system has a voice steering system (multilingual version). receiving upcoming sharp turn alerts, speed limit reminders and height limit reminders, red light, and high-speed camera Voice notification. and customized truck routing for the size and weight of your truck, avoiding the roads which have width restrictions or height restriction or weight restriction,【After-sales service】- Trucker GPS Navigation maintenance, after receiving it, please use the car charger to fully charge before use, if you have any questions about the product, please contact us via amazon, we will reply you in 24 hours.