Description: It is easy to install, and you just need to plug it into the OBD2 connector of the car, and it fits all car from the year of 1996. According to your driving habits, it makes new map in the car's computer ECU to increase the performance of your car. As you driving much more km/mile, it renews the map, thus it keeps the vehicle's power and torque increasing. Made of high-quality ABS material, the OBD2 tuning box is durable, reliable and wear-resistant for long-time use. The length of the item is 5cm, the width is 3.5cm, and the height is 3cm. The blue/red item is suitable for diesel car, and the green/yellow item is suitable for gasoline car. Item Name: Car OBD2 Tuning Box Material: ABS Compatible Models: for Diesel Car(Blue/Red)/Gasoline Car(Green/Yellow) Support Agreement: OBD2 Size Details: Size: 5cm x 3.5cm x 3cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car OBD2 Tuning Box