Advancer AD20 is a Smart OBD-Ⅱ Dongle based on wireless communication. With the dongle and the mobile app, AD20 provides functions like vehicle health check, fault diagnostics, driving habits monitoring and trip recording for various car owners.Vehicle Inspection:Advancer AD20 can read the fault code info stored inside the vehicle ECU and categorize them according to the the falut types.AD20 not only supports the standard OBD-Ⅱ protocols but also OEM specialized protocols, providing OEM-level engine diagnostic services.Vehicle Live Data:After starting the vehicle, AD20 can demonstrate various vehicle status data like battery voltage, coolant temperature, engine rev, fuel correction and engine loads in details, letting car owners know the vehicle status in real time.Note: Only use this function when the car is in idle.Maintenance Light Reset:Reset the vehicle maintenance light after finishing the maintenance process. For your driving safety, please do the maintenance in strict accordance with the vehicle repair manuals.Trip Recorder:When driving, AD20 can record the average speed, fuel consumption, mileage, max engine rev, max coolant temperature, etc., and demonstrate them on the app to help owners know the actual vehicle status and fuel consumption at driving.Driving Habits Monitoring:The sensors inside AD20 can sense driving habits like sharp turns, heavy brakes and sudden acceleration, analyze them and show them on the app, which helps you improve your driving skills.