The Smoke Pro Total Tech is the worlds best selling, full featured diagnostic leak detector. The Smoke Pro is easy to use, with one button and one knob. It make diagnostic's simple and fast. No need for nitrogen, the Smoke Pro uses the latest technology and software to use shop air and a twelve volt battery. The Smoke Pro can be used to find intake leaks, oil, vaccum, EVAP, headlight, tailight, and many more. Proudly made in the U.S.A. the Smoke Pro Total Tech is the essential tool for todays technician.