Features:Release large amount of negative ions that can effectively remove dust， dander， bacteria， pollen， mould， smoke and PM2.5， chemical vapours， and other allergens in the air. Once the positive and negative ions are bonded together， they become too heavy to float， and no longer affect the air quality of the surroundings.Kill harmful bacteria and viruses and dispel unpleasant odor by generating safe amount of ozone. Enhance metabolism and relieve fatigue.Fashionable unique design car air purifier with 3，800，000pcs/cm3 negative ion.Ozone concentration: 3mg/h.Plug the device into the car cigarette lighter or adopter， the Blue indication light will be on when the device is working， and it will work continuously until it is unplugged.Voltage: DC 12V; Power �� 0.8W.Product certifications: CE， FCC， RoHS.Great for car， bedroom， study room， office.Specification:Type:6171 Car negative ions air purifierMaterial:Plastic + metalQuantity:1pcsColor:BlackVoltage:DC 12VPower:�� 0.8WUsing Space:<15m3Negative Ion Concentration:3，800，000pcs/cm3Ozone Concentration:3mg/hIndication Light:Blue LEDWorking Temp.:-10-40 celsiusStorage Temp.:-10-60 celsiusCertifications:CE， FCC， RoHSSize:2.3*2.3*8.8cm / 0.9*0.9*3.5 "Net Weight:0.025kg / 0.9ozPackage:1*Car Air Purifier1*Car adapter， US plug