Based on GSM/GPRS and GPS, you can locate and monitor any remote targets by SMS or GPRS. You can get targets latitude and longtitude by SMS or GPRS, and check position by google earth. Auto report position, send the last location if it enter into a blind area. Add or change user name and password. Monitoring and SOS feature. It will send a alert of Geofence to the user when it breaches the registed area. It will sent a alert of movement to the user when it begin to move. It will sent a overspeed alert to the user when the target moved exceed of the restricted speed. It will sent a low battery alert to the user if the battery is low.