The ANCEL S3000 Automotive Smoke Machine is a top-notch tool for detecting leaks in various automotive systems. It comes with a built-in air pump and pressure gauge, making it a professional-grade diagnostic detector kit. Whether you're testing for leaks in the vacuum, fuel, EVAP, or other car systems, this machine has got you covered. By producing smoke, it helps you identify even the smallest leaks that may be difficult to find otherwise. It's an essential tool for mechanics and car enthusiasts alike.