... GPS tracker with navigation: 1. Free GPS tracking2. GPS Navigation3. GSM(GPRS) Wireless Communication4. Take Photo5. Monitoring the Fuel Remotely6. Remote ... is about 3.5 hours)AccessoriesDevice, Connecting cable ,GPS antenna ,GSM antenna, Engine controller, SOS button, Microphone, Camera, LED advertising ... We accept OEM and customised orders.(logo, functions, language) Gps/gsm/gprs Tracking Device