Features:
GSM quad-band frequency for globe use.
Real time tracking location by SMS/GPRS.
Real time voice monitoring.
ACC anti theft alarm.
Support tracking by iOS/Andriod app and pc network.
Previous track playback: previous track could find the route map for nearly time.
Geo-fence: you can set up a position range, and the device will send message to you when the device is out of this range.
