1. 4.3 inch TFT touch screen, solution: 480*272. (2008 new model) 2. CPU: SAMSUNG S3C2440A-40 400MHZ 3. IC: Sirf StarIII ; with bluetooth and car reversion backsight 4. Operating system: WinCE 4.2 5. Storage: internal 64M Nand flash (expandable to 1GB) / 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: built-in Lithium battery, 1200 mAh 12. DV IN: 5V 13. Multi-language operation system 14. with outside speaker