UniGuard, as one of the professional and experienced China GPS trackers suppliers, offers various GPS trackers to meet the current GPS tracking devices market, including GPS tracker for people, cars, motorcycles and trucks. All our GPS trackers can do real time web tracking and they use the latest SIMCOM800 GSM module and SIRF IV GPS chip, quad band and suitable for universal usage. Advanced Features: Image monitoring, Fuel monitoring, Temperature monitoring, GPS navigator, RFID control and management, etc. For more information visit at http://www.uniguardgps.com