The Neoair Cruiser Air Purifier sterilizes your vehicle s interior with the latest multistage air filtration process. Pollutants such as cigarette smoke, pollen, dust, germs, bacteria, odors and even vaporized substances such as exhaust fumes are drastically reduced. Using the latest advancement in ultraviolet air sterilization technology, the Air Purifier can efficiently diminish interior air pollution in your automobile, RV, truck and van providing you fresher and healthier air any time you are driving. A compact HEPA cartridge filters out the airborne particles, then the air get sterilized through a chamber of two photo catalytic filters with UV light. Lastly an activated carbon media filters out the harmful gasses. The silver colored Cruiser does not requires batteries, it simply plugs into your cigarette lighter socket to power itself. It covers approximately 170 square feet of space and includes cigarette lighter outlet 12 Volt power adapter, 120 Volts DC adapter power supply, and instructional manual.