【Built-in Air Pump】The automotive smoke machine has built-in air pump. You don't need to connect it to an additional air pump or purchase one. It generates massive smoke quickly, and easily checks car's sealing and leakage. It can be used to test the leak of EVAP system, EGR system, crankcase system, turbo system, fuel tank system, cooling system, intake system, exhaust system, etc. Note: Not fir for air conditioning system. 【Air Mode & Smoke Mode】The Automotive Smoke Machine built-in air pump and smoke generator, so it does not rely on additional air machine, perfect for Mobile Automotive Repair! The smoke can be produced within 30 seconds, dramatically reducing diagnostic time. Smoke output value: 4L/min. Note: It is recommended to add 10-15 ml of test oil. Add too much oil may cause less smoke being produced. 【Pressure Gauge】This Smoke Leak Detector equipped with a liquid filled pressure gauge, by observing the change of the pressure gauge value, it is easier to find small leaks. Built-in over-heat protection, if it exceeds working limit (Over 176℉), it will power off automatically. 【Complete Set】EVAP smoke machine leak detector set comes with 1.5m Smoke Hose, EVAP Special Connector, Standard Cone Adapter, Power Cord Clamp, Valve Core Wrench, Airbag Adaptor, Rubber Connector Part, 3.38oz Empty Bottle for test oil, 8pcs Soft Rubber Hose Plugs. Test oil can be baby oil or liquid paraffin. Note: Test oil is not included. 【We Can Help You】MR CARTOOL offers 24-month quality support and 7x24 hours friendly customer service to ensure your shopping experience. If you have any issues about the EVAP smoke machine, don't hesitate to contact us directly. Our professional technicians are happy to help you., Weight: 4.40924524 Pounds, Manufacturer: MR CARTOOL