E70 5inch 4GB HD Screen Car GPS Navigation Navigator SAT NAV Free US Maps UpdatesFeatures:1. 5 inches touch screen、 480x272 pixel2. Positioning and navigation、 positional accuracy3. Built-in polymer lithium battery、 continuous using time: 3-4 h4. The GPS can be powered by the built-in battery or external power supply(The charging indicator light is red during charging、 full charged is turning green )Functions:GPS\/ Wallpaper\/ FM\/ Calculator\/ Unit\/ Gps info\/ ThemeExplorer\/ Gobang\/ BoxMan\/ Snake\/ Nav path\/ Volume\/ Backlight\/ Language\/ Datetime\/Calibration\/ Factory\/ Sys info\/ USB\/Music Player: Support WMA9 and WAV filesMovie Player: Support WMV、 ASF and AVI filesE-book: TXTFlash: SWFPhoto browser: JPG、 GIF、 BMP and PNGInterface: 3.5mm earphone port、 T-FLASH card slot、 mini USB portStored: 4GBGPS:Output put: DC 5V 1.5A-2AColor: BlackSize: About 140x88x7mmWeight: 161gCar Charger:Input: DC12-24VOutput: DC5V 1500mAPackage Included:1 x Car Navigator (with stylus)1 x Car Charger1 x Headphones1 x USB Cable1 x Suction Mount1 x Stand1 x English User ManualF&Q:How to use the other country's map:download the map in your computer、 then decompression the map 、 after decompression、 copied to the GPS 、 you can choose the Nav path 、 OK、 you can use it now