ar GPS Tracker and Alarm System with Web based and PC based software by SMS/GPRS, Geo fence supported.Support orientation without orientated server, it can find out Real-time longitude and latitude, time and speed. By using public map software and entering longitude and latitude manually, you can find out the real-time information of position. If the target you are inquiring enters into underground parking lot or other GPS blind area, the tracker will inform you the last orientation.Remote Engine-stop and Resume. Tracking function by timing and frequency. Authorized number added and deleted function.Support hidden alarm and monitor function. Movement alert: you can set up barriers when the vehicle is stopped. Once moved, it can give an alarm to the authorized number. Over speed alarm: you can make the inspected target run according to fixed speed. It alarms when speed is exceeded.