1.[Built-in 35901 DTCs]: This V520 car code reader has 35,901 built-in DTCs, compared to the 3,000 typically found in older obd2 models. Therefore, it has a huge advantage to help you diagnose and view fault code definitions and troubleshoot your vehicle more comprehensively. It is very easy to troubleshoot even for beginners. This product is perfect for beginners, technicians, automotive enthusiasts and home repair. 2.[Full OBD2 Scanner Mode Function]: This product is a professional V520 car scanner diagnostic tool with all the OBD2 features you need. These include, 35901DTCs, read/erase code, viewing ze frames, reading i/m readiness and vehicle information, data streaming, oxygen sensing test, mode6, mode8, cloud print data, fault code search, battery voltage test and more. 3.[Cloud Print Data]: The obd2 car scanner diagnostic tool supports cloud printing function. You only need to scan the QR code generated by the product with your cell phone browser, and then you can receive the car-related diagnostic data displayed on the screen. Then you can save the diagnostic results by taking a screenshot and print them or send them to a professional mechanic, which is very convenient. 4.[Wide Application]: The obd2 car scanner diagnostic tool has a wide range of applications and utilizes a common automotive OBD interface. So you can use it as soon as you plug it into your car and start the engine. Moreover, it contains dual UI modes, i.e., dark and light color styles, which can be used in a variety of special light. In addition, it supports ten languages switching, including English, German, French, Spanish, Italian, Russian, Dutch, Chinese, Japanese, and Portuguese.