Main features 1. Real-time Positioning & Tracking 2. Over Speed Alert 3. SOS Function & Geo-fence 4. Audio Monitoring 5. Remote controlling oil & circuit 6. Inbuilt Backup Battery, Unauthorized Dismantle Alert 7. Compatible with the original anti-theft alarm 8. GPS & A-GPS (LBS—location based service) 9. Real time uploads location information via time/distance interval 10.Support google map ,3D map