1. Online web platform,the historical and current location can be checked. 2. E-fence function. 3. Hijack alarm,9 SOS numbers can be preset. 4. Remote voice monitoring. 5. Low battery alarm. 6. Inlayed 3D accelerato,moving and static state, energy smart. 7. Change the time interval of uploading automatically according to the speed. 8. Admin checks the altitude and longitude and location information by texting. 9. Four LED signal indicators: blue GSM LED,green GPS LED,red SOS and charging LED. 10. A-GPS solutions,shorter locating time,higher precision. 11. Long Duration battery up to 48 hours fully working ( test under updating per 30 seconds). 12. Sleep model (It will halt to send data if there is no position change).