Detailed Product Description 1. 7 inch TFT touch screen Gps Navigation system, solution: 800*480( ... SD card 6. Types of operation methods: touch screen, keystroke 7. Functions: Navigation, MP3, MP4, JPG picture, textbook, calendar 8. Numbers ... : 12V (with built-in battery) 12. support different country's map; support 16 languages including French, German, Spanish, Holland, Hungarian, Portuguese ...