OBD2 adapter for vehicle diagnostics and programming1、Multifunction: By reading and writing data to the car's engine control unit (ECU), this cable allows you to get better initial acceleration, faster response times, improved brake horsepower (BHP), torsion and power, and more. 2、Improve Car Performance: ECU diagnostic cable can improve your car, allowing you to overtake safely and quickly. Your car will be stronger, more responsive and more fuel efficient throughout the rev range. 3、Easy to Use: Just connect one end of the cable to your computer's USB port and the other end to your car's OBD port. You can then use software to easily read and write data to the car's ECU. 4、Practical Auto Repair Tool: This programmer cable is an indispensable tool for auto mechanics, speed demons and DIY enthusiasts. Allows you to significantly improve the performance of your car using a computer. 5、Characteristic: EOBD diagnostic cable supports multiple languages, such as English, Spanish, French, German, Italian, Portuguese. Supports more cars than any other obd2, eobd tuning tools.