This product connects the OBD2 interface by OBD cable, and display the driving datas, e.g. vehicle speed, engine RPM, fuel consumption etc.  This product won't change any car ECU data but can erase fault codes if encountered 
D2power OBD smart digital gauge can also read and clear OBD error code it also display accelerating competitive mode, brake performance test mode, read the entire vehicle data stream info and the other functions

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Car OBD2 smart digital gauge

$94.00 Regular Price
$79.90Sale Price