The Vevor automotive smoke machine leak detector is designed to locate hidden leaks in vehicle systems for faster diagnostics. It supports testing for EVAP lines, vacuum hoses, intake passages, turbo piping, and exhaust systems. Dual testing modes let you check system sealing with air first, then switch to smoke mode to pinpoint leaks visually. Built-in dual air pumps and a pressure gauge help deliver stable airflow and assist with identifying leak conditions. It is suitable for cars, trucks, boats, motorcycles, and ATVs.