1.Godiag GD801 Mileage correction Better than OBDStar X300M via obdii
2.Multi function in 1:Read Odometer, Write Odometer, Read Flash,Write Flash, Read Eeprom, Write eeprom.
3.One-Click Upgrade, Wide Vehicle Coverage, multi-language support.
4.One year free update online, after one year update cost $149.
One Year Update Service for GODIAG GD801 ODOMaster