Moonar 4.3 inch GPS Truck Navigation MTK 4GB Capacity Speedcam POI 4GB Memory Preloaded with the latest 3D Maps(US+CA) 4.3" wide LCD touch screen GPS: Two map styles, one for daytime and one for nightime. Anti-glare screen. E-map: Contains an electronic map, map inquiry, route planner, GPS satellite navigation. The device calculates and chooses a safe and quick route for you. Voice navigation: More than 20 languages! --- route Plan function, easily understandable voices, voice guidance and fast and precise route to the destination. 4GB memory preloaded with the latest 3D Maps of 48 countries in US+CA.(Free Update will be provided by the manufacturer). Battery: Built-in Lithium battery. Can be charged using the cigarette lighter.