1. Mini shape, just like a watch 2. Compact, easy to carry 3. Provide the direction and distance to the destination 4. Record the distance you travelled, and the time you spent 5. Provide current position: longitude, latitude, and altitude information 6. Speed measurement 7. Display accurate time synchronized by satellite 8. Built-in lithium-ion battery 9. With an extremely long waiting time 10. With back-lit display 11. Ideal for drift/camping/hiking/climbing etc. 12. Memory: 512KB 13. Screen size: 21x27mm