1. 4.3 inch TFT touch screen, solution: 480*272. 2. CPU: SAMSUNG S3C2440A-40 400MHZ 3. IC: Sirf StarIII ; with bluetooth 4. Operating system: WinCE 4.2 5. Storage: internal 128M Nand flash / external SD card 6. Types of operation methods: touch screen 7. Functions: Navigation, MP3, MP4, JPG picture, textbook??calendar 8. Numbers of signal receiver: 20 Channels 9. Precision of Locating:Less than 10m 10. Antenna: with GPS internal Antenna and reserved external GPS Antenna jack 11. Battery: 1200 mAH lithium battery can be charged by exterior DC 12V, or can be charged by car lighter. 12. DV IN: 12V 13. support different country''''''''s map; support 16 languages including French, German, Spanish, Holland, Hungarian, Portuguese, Russian, Swedish, Norwegian, Denish, Italian, Finnish, Romanian, simple Chinese, traditional Chinese, English 14. with outside speaker (with TMC for choice)