Product selling points: aluminum alloy metal appearance car purifier, durable and durable; dual USB interface, air purifier, mobile phone charging; 5.6 million high negative oxygen ion release, effectively remove odor, toluene, bacteria and so on. Product size: 35 * 35 * 105mm Input voltage: 12V / DC Output voltage / current: 5V / 2.1A Power consumption: 0.8W Negative ion amount: 5,600,000 pcs / cm3 Ozone concentration: s 0.05ppm Operating temperature: -10C ~ 40 ° C (14 ° F ~ 104 ° F)