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Product Features:1.The car air purifier can filtrate polluted air which includes smoke，dust，bad odor，PM2.5，etc.It can purify the air like the wind and rain in the natural environment.2.It can release large amounts of negative ions which can effectively kill harmful bacteria and viruses，improve pulmonary function，and protect you from being infected by diseases.3.It can enhance metabolism and relieve fatigue.Directions:Plug the device into the car cigarette lighter or adapter.The indication light will be on when the device is working.The device will work continuously until it is unplugged.Technical Parameters:The 8th generation product.Voltage:12V/DCPower:≤0.8WNegative Ion Concentration:38，0000，000 Pcs/cm3Ozone Concentration:3 mg/hWorking Temperature:-10℃—40℃Storage Temperature：-10℃—60℃Net Weight：30gExterior Size:22X88(mm)Application Area:Car;Office;HomeColor Available:BlackThe Range of Using:<15㎡