This awesome device is designed to help you detect leaks in the pipelines and fuel systems of your 12V cars, trucks, motorcycles, ATVs, boats, and even snowmobiles. It uses smoke to identify any potential leaks, making it easier for you to locate and fix them. It's a handy tool for both DIY enthusiasts and professional mechanics. So if you want to keep your vehicles running smoothly, this leak detector is definitely worth checking out!