Plug-and-use design and cost-effectiveness. DTC OBD II error codes. Accurate vehicle status data (fuel consumption, engine RPM, coolant temperature, etc.). Provide engine/ignition status. SMS, GPRS TCP/UDP, USSD, FTP communications. GSM/GPRS simultaneously. Real-time tracking (time, distance interval or intelligent mode, and naming). Firmware update over the air (via GPRS from FTP). Wireless trip report download. Backup battery for disconnection alert. Low battery alert. 50 Geofence reports (Circular/Polygonal zones). Mileage reports. User-defined reports. 100,000 data records.