XTOOL AD20 is the latest in-vehicle OBD2 diagnostic tool. It supports the diagnosis of engine / chassis / body / electrical equipment systems. Automatically identify the car, read the car's error code, Detailed explanation of various common codes makes it easy for car owners to understand car problems. Included vehicle performance PK leaderboard, which can be uploaded to Facebook at any time to share with friends Read VIN and Ranking List functions need the Phone under the Internet , please make sure your phone with the Internet! Why Choose AD20 1.AD20 can automatically identify the car, read the fault code and classify it to ensure the safety of the owner 2.AD20 provides professional repair suggestions after reading the fault code (how to repair) 3.AD20 comes with a free APP, which contains all the functions of ELM327 4.AD20 has 4.2 Bluetooth, which can be automatically identified and connected to Bluetooth quickly. 5.AD20 with HUD function 6.AD20 records 100m acceleration time, can be online and other car owners PK, and upload rankings to Facebook, VK or other platforms 7.AD20 has a built-in professional chip, which reduces the power consumption of the car and can be connected to the car for a long time. 8.AD20 diversified instrument Odometer display, change different style instrument display at any time 9.AD20 comes with data frames, including some code reader functions Packet: 1pc Xtool AD20