This product produces the ozone and anion repidly, eliminate the car insides soot, peculiar smell, and have force sterilization, the purification air, make the car as like bathes in the forest. The anoin is called "in the air of Vitamin", is beneficial to the human"s health. Purification blood improve the breath skill. The adjustment internal secretion, relaxes the strain mood. Has the best medicine function, and effectively reduces the cough, sneezes, asthma"s incidence of a disease. Suit in all 12V car power. All trademarks and copyrights are the property of their respective owners. Weight: 31g. Ships using USPS and e-tracking packets.