Viecar 4.0 is a "software + hardware" multi-functional, all-round vehicle high-tech car detection tool. It adopts Bluetooth 4.0 dual-mode design, perfectly supports iOS devices, supports high-speed data transmission, and has low power consumption and ultra-power saving. advantage. By connecting the car ECU computer interface to achieve 360 full vehicle physical examination, early detection of vehicle sub-health can also ensure that the vehicle is found to be faulty as early as possible during the warranty period, so as to timely deal with the relevant interests and protect the interests of the owner; Historical fuel consumption and other multi-dimensional fuel consumption analysis and evaluation, so that owners can save money and save money; can also record driving behavior, analyze vehicle condition data, propose improvements, timely correct bad driving habits, and enable drivers to use their own car more humane. .