The ANCEL S100 Automotive Smoke Machine Leak Detector is a handy tool for detecting leaks in the pipelines and fuel systems of your 12V vehicles, including cars, trucks, motorcycles, ATVs, boats, and snowmobiles. By generating smoke, this device helps you identify any potential leaks, making it easier to locate and fix them. It's a great tool for both professionals and DIY enthusiasts who want to ensure the integrity of their vehicle's fuel system. With the ANCEL S100, you can quickly and effectively detect and resolve any leaks, keeping your vehicle running smoothly.