SMS and GPRS dual mode or switch; Real-time location tracking.
Vibration alarm, handset search function and cross-border alarm.
Electronic fence, you can set a fixed area, it will alarm if one is beyond this fixed area.
SOS alarm: Press SOS once you are in emergency, it will alarm by sending message to the authorized number.
Overspeed alarm: You can set up a speed range to monitor the target. It will alarm if the target speed is over the set speed.