Features: 1. 3.5 inch TFT touch screen, solution: 320*240. 2. GPS chipset :AtlasII 300mHz. 3. Operating system: Window CE 5.0 Core Version. 4. Storage: internal 128M Nand flash / external SD card. 5. Types of operation methods: touch screen. 6. Functions: Navigation, MP3, MP4, JPG picture, textbook. 7. Numbers of signal receiver: 20 Channels. 8. Precision of Locating:Less than 10m. 9. Antenna: with GPS internal Antenna and reserved external GPS Antenna jack. 10. Battery: with 1200mAH built-in rechargable Li battery, can continuously use for about 5 hours. 11. DC IN: 5V. 12. support different country''''s map,support 16 languages including French, German, Spanish, Holland, Hungarian, Portuguese, Russian, Swedish, Norwegian, Denish, Italian, Finnish, English. 13. with outside speaker. 14. Accessories: car light adaptor; USB line;Car-use bar shoe;User manual.