1. Only supports modification of 17-digit vehicle frame numbers(VIN) 2. OBD simulator that can repeatedly modify the vehicle frame number (VIN) 3. You can only enter the vehicle diagnostic system to modify the frame number, other functions are not supported 4. Enter the diagnostic system through EOBD 5. Non professionals are not recommended to purchase It is used for the maintenance and repair of the inconsistent frame number caused by the replacement of the engine computer in the accident car, the burning car, the falling water car, and the illegal use. The consequences are at your own risk. Frame number repair, The frame number is inconsistent after replacing the computer board, Restore the old frame number, Does not affect the function of the car. Colour:Black Material:ABS Package Contents: 1 * VIN Modification Simulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.