The Vevor automotive smoke machine is designed to help diagnose leaks in EVAP, fuel tank, exhaust, intake, and other vehicle pipe systems. Its built-in air pump delivers stable smoke output without requiring an external pump, making testing more convenient. The unit features a digital pressure gauge, oil level meter, and flow meter for more precise diagnostics. With air and smoke detection modes, it supports both quick leak checks and accurate leak location. It is suitable for cars, motorcycles, ATVs, light trucks, and speedboats.