All-in-one testing: Automotive fog detectors excel in a wide range of tests, including fuel tank, exhaust, air intake, automotive seal testing, and a variety of pipe leak issues. Ideal for cars, motorcycles, ATVs, light trucks, and speedboats, it's your all-in-one solution for comprehensive vehicle leak diagnosis.Built-in Air Pump: Say goodbye to external pumps and welcome built-in convenience! The vacuum leak detector has a built-in air pump that provides a smoke output of 8 liters per minute and an output pressure of 19-23 PSI without the need for an external pump. Enjoy fast, large, and stable smoke output for easy leak diagnosis anytime, anywhere.2 detection modes: Easily switch between the two modes at the touch of a button. Air mode is great for identifying if there is a leak, while smoke mode helps you pinpoint the leak. Ideal for initial leak detection and detailed analysis, our vacuum smoke leak testers provide a complete solution for your diagnostic needs.Safer Operation: Intelligent Overheating Protection for Increased Safety – Our Pipeline Fuel Leak Diagnostic Detector has intelligent overheating protection that automatically shuts down if overheating is detected. It has an operating temperature range of -4°F to 167°F and is designed to handle a wide range of environmental conditions.Complete Accessory Kit: Fully equipped for efficient diagnostics - Our DC12V automotive fog machine comes with universal adapters, adapters, cone adapters, 8 cap plugs, power cord clamps, spool wrenches, smoke tubes, fuel bottles, and hooks. Before use, add 10-20ml of baby oil or mineral oil (not included)