The Vevor automotive smoke machine leak detector is designed to help diagnose leaks in EVAP, fuel tank, exhaust, intake, and other vehicle systems. It features a built-in air pump for stable smoke output, eliminating the need for an external pump during testing. Dual air and smoke modes make it easy to first detect leaks and then pinpoint their exact location. It is suitable for use with cars, motorcycles, ATVs, light trucks, and boats. A complete accessory kit is included to support efficient diagnostic work.