1.GPS&LBC Double Real Time Tracking 2.Control engine remotely 3.4.3''/7''screen navigator 4.SMS GPRS Network 5.SOS &Monitor Main Fectures:1. Real-time Positioning and tracking2. GPS and A-GPS(LBS-location based service) double tracking solution3.Geo-fence Alarm ,Over-Speed Alarm, Power-cut Alarm ,SOS4.Remote controlling oil and circuit5.Remotely monitor6.3 IO line to check door(open or close), ...