... tracker with navigation: 1. Free GPS tracking2. GPS Navigation3. GSM(GPRS) Wireless Communication4. Take Photo5. Monitoring the Fuel Remotely6. Remote Control Engine7 ... is about 3.5 hours)AccessoriesDevice, Connecting cable ,GPS antenna ,GSM antenna, Engine controller, SOS button, Microphone, Camera, LED ... accept OEM and customised orders.(logo, functions, language) Gps/gsm/gprs Tracking Device