CAROBDII Store Promise: 100% Original XTOOL AD20 2 Years Warranty 48 Hours Free Shipping VIP Price For Our Followers Support Dropshopping 24 Hours Online Customer Service & Technicial SupportNewest XTOOL Advancer AD20 is the upgraded version of AD10. It contains all the function of AD10 and add some useful for your basic diagnose. It added the functions as: battery test, driving record & analysis, engine diagnose, HUD display, etc. It will be the must-have product for your car daily maintenance.Top Reasons for Choose AD20:Basic OBDII Function: OBDII scanner AD20 supports reading OBD2 error codes, and helps you analyze these error codes, such as: what causes it, how to solve it and what you should do now. After you solve the problem, AD20 can help you clear the error code.Useful Engine Diagnose: In addition to OBD diagnosis, AD20 can also help you diagnose the engine system. Diagnostic tool AD20 can detect the code of the entire engine system to quickly find the problem.Lifetime Free Update: AD20 support updated. The update is lifetime free without any subscription fee.Advanced Driving Management: The function of driving record and driving analysis could help you record and analyze fuel consumption, distance and some driving behaviors during driving. From these data you can analyze the hidden problem of the car and solve it.Reliable Performance Test: The performance of the car can be measured by accelerating the car, such as: time, top speed, engine load, coolant temperature, etc.Note: The top speed reached 100km/h end test automatically