S9Q Blue LED Car Auto Oxygen Bar Vehicle Freshener Smoke Air Purifier ionizer Red Simply pug into any automobiles 12 volts cigar lighter. Anion density: &gt;= 60 million/cm3 Size: 8.5 x 2 x 2 cm ^ Ozone capacity: 3 mg/h S9Q Blue LED Car Auto Oxygen Bar Vehicle Freshener Smoke Air Purifier ionizer Red