Multi-Purpose Plug-and-Play Car Diagnostic Scanner - No battery required and plug-and-play design. Compatible with a wide range of vehicles including SUVs, most cars, trucks, and RVs. Easily diagnose engine issues and move toward resolution quickly. - Convenient home car care. Detect the source of engine problems from home, helping you save time and money by avoiding unnecessary mechanic visits and staying ahead of maintenance. - Enhanced nighttime readability. Large LCD display with a backlight makes reading codes easy in low light. Delivers clear diagnostic information and reliable results. - Compact and portable maintenance tool. Lightweight and small enough to fit in a central control storage box or carry in your toolkit. Ready for outdoor car care and on-the-go use. Use scenarios: - Check engine light at home: connect the scanner to identify likely causes and determine whether DIY fixes are possible or if professional service is needed. - Pre-trip health check: quickly verify engine readiness before a long drive to reduce the chance of roadside issues. - Outdoor or on-site maintenance: keep the compact scanner handy for routine diagnostics and quick checks away from a shop.