BigWhite Air Cleaning System,Office Car Air Freshener, Home Car Air Purifiers,Remove Dust,Cigarette Smoke, Odor Smell (74.458.5122.7mm, Blue) BigWhite air purifier belongs to the small product of air purification.Electrostatic dust collecting device is built in the body with the function of removing ordor.In addition to effectively controlling the quality of air and PM2.5 content in the environment,it can also effectively remove the smell and harmful gases in the air .With a high concentration of negative ion output ,through the built-in fan steady flow to the room ,improve air activity Unlike other car air cleaners, Electrostatic dust collecting device which can eliminate odors, is reusable, & comes with everything you need, it can be washed,there is no need to replace the filter Product application:Indoor:This product with wide voltage design (scope of work :AC100-240V),can be used directly when inserted in a household power socket :in car :the use of supporting the conversion device ,use the vehicle power supplier (lighter ),through a USB wire connected ,can be used in the car , take control of your environment and breathe easy - helps with allergies/asthma, pet odors, stale cigarette smoke. With high efficiency control clip ,it can work 24 hours,and has the function of automatic night light ,which can provide comfortable lighting assistance at night .