This series of automotive diagnostic tools are used to perform online diagnosis, detection and measurement of faults in various systems and components of the automobile. It includes automotive diagnostic software, remote diagnosis, and multi-functional modular design. Three models—S8, S12, and S20—are developed for targeted passenger cars and commercial vehicles. Its appearance is inspired by modular combinations to meet various auto maintenance situations. Its UI design is intuitive and simple. It is highly cost-effective with eco-friendly materials.