Lock Unlock Car Door Alarm 3G GPS Tracking System With Free Mobile APP GT08 GT08 GPS Vehicle tracker is the most advanced & cost-effective solution for vehicle security, real-time tracking & fleet management. It has the following unique functions: Support 2.4G RFID function or regular Mifare1 IC card reading; Support wireless immobilizer; Fuel leaking alarm, speed limiter & fatigue driving alarm; It is integration with GPS tracker +Car alarm with keyless tag(optional);