1) Metal cover;

2) External antenna;

3) Track by SMS or GPRS;

4) Real time tracking at intervals;

5) Resend data from signal dead zone;

6) Voice monitoring;

7) Two way voice communication;

8) SOS alarm;

9) Low power alarm;

10) Overspeed alarm;

11) Geo-fence alarm;

13) Illegal start alarm;

14) Parking alarm;

15) Idling alarm;

16) Tired driving alarm;

17) Fuel or temperature monitoring;

18) History playback;

19) Mileage statistics;

20) Reports statistics;

21) Remotely update firmware;

22) Serial port for1 peripheral.