This handy detector allows the technician to pinpoint all manner of system leaks including the air intake, cooling, evaporation, fuel, exhaust and vacuum systems. Fast and simple to use, this unit features single button operation, flow control valve and auto power off. Uses mineral oil* and workshop air to generate smoke at low pressure while connected to a vehicle. System is clean and quick to use and connects to a 12V vehicle battery. Supplied with four different sizes of blanking cones. *Mineral oil not included.