1. Small size, internal GPS and GSM antenna, and easy to install;

2. Support double location modes: GPS and LBS (Location Based Services), Accurate GPS positioning dynamic positioning deviation is less than 5 m;

3.  SMS function,  and TCP protocol communications in state of GPRS;

4. Support GPS data uploading at interval and rollcall function;

5. Support tracking by SMS, and reply English address;

6. Support the data re-sent from signal dead zone function; 

7. Support the power-off alarm function; 
8. Support Geo-fence. 
9. Support over speed alarm function; 
10. Support parking alarm function;
11. Support Trailer alarm;
12. Support mileage statistics; 
13. Support Geo-fence alarm;
14. Support SMS for alarm notice;

 15. Support vibration alarm

 16. Support domain name setting

 17. Support remote update .