Use to generate smoke in a controlled manner to search for air & vacuum leaks. Supplied with built in pressure gauge, adjustable pressure regulator and flow gauge to allow the system being tested to be pressurised where required. Designed to be powered by 12V vehicle battery. Max: 5.5 amps draw. Max working pressure 0 to 18psi, supplied with 2 inflatable bungs, 3 conical rubber bungs, bayonet style cooling system adaptor. Generates smoke using smoke machine oil or commercially available baby oil. Use in a well-ventilated area.