Comprehensive Diagnostic FunctionWith a full range of diagnostic functions, you can identify the cause of the engine warning light, read and clear fault codes, view freeze frame data, check I/M readiness, and more. Cost and Time EfficiencyIt can read and clear fault codes that cause emission problems in seconds, helping you detect potential problems earlier and avoid unnecessary and expensive repairs. PortableWith a size of 137x68x22mm, it can be easily operated with one hand and can be easily stored in any tool box or pocket without taking up too much space. Wide CompatibilityThis car code reader is compatible with 99% of OBDII vehicles, covering vehicles in the United States after 2001. Even novice users can use it, allowing them to quickly locate and fix car problems Widely Used LanguagesIt also supports 12 widely used languages: English, Simplified Chinese, Japanese, Korean, Traditional Chinese, Thai, Russian, Arabic, Portuguese, Spanish, German, French.