1. Real time uploads location information via time/distance interval 2. Image transmit (take photos by digital camera) 3. Real-time Positioning & Tracking 4. SOS Function & Power-cut Alert 5. Audio Monitoring 6. Geo-fence & Over Speed&move Alert 7. Fuel level Monitoring 8. Remote controlling oil & circuit 9. ACC/Door/Trunk/bonnet/shock Alert 10. Special Vehicle Monitoring (dump trucks pouring, mixers rotating, etc.) 11. Built-in backup battery ,low battery alert ,unauthorized dismantle alert 12. GPS & A-GPS (LBSlocation based service) 13. LED Advertising Screen, 3-Dsensor, RS232 Printer, fuel sensor ,Temperature sensor, RFID (optional) 14.Support google map 15.Show location directly on mobile phone with HTTP google map link 16.Absolute street address request by SMS. 17.Works with PC/Mac/Smart Phones with Internet Access size:137*75.5*30mm weight : 1.45KG/PC packing size:31*21*11cm