M-CORRECTOR HARDWARE 1.high quality 2.good aftersale service 3.promote delivery M-CORRECTOR HARDWARE IntroductionHand-held mileage correction tool, powered by two CORTEX ARM cores, speed up to 200MHZ. With SD card interface to load and save files, USB port for update by Internet. 320*240 TET LCD with 256K colors to show pictures and help files in detail. Integrate CAN-BUS / J1850 / CCD-BUS / ...