This application provides a service to diagnose and maintain the car's technical system; it supports the car's onboard computer, which uses the OBD interface to communicate with the vehicle's ECU, and you can view all the data that the ECU shows you. This application is an onboard computer for cars, it can support all cars that use the OBD interface, and it is suitable for most modern cars.

This application is based on a protocol that the SAE developed, is used by many car manufacturers, and is an international standard. In addition to the SAE, many other standards and organizations have worked on this protocol for several years, including the On-Board Diagnostics and Information Standard (OBD-II).