Advanced Triple Function Air PurifierCombines Ozone + Ionizer + U Light to freshen indoor air and keep it clean and comfortable.The ozone generator deodorizes strong household odors from pet pooph,kitty litter box, smoke and cooking. The ionizer captures PM2.5,dust, pollen. And U light cleans air. Vedawind O10 offer a deeper clean than sing-function purifiers in the market, replacing the need for separate ionic air purifier, ozone machines, bulky HEPA air purifiers, or spray deodorizers. One Switch to Control 5 ModesP1 freshens air with negative ions; P2 sleep mode freshens air ultra-quietly; P3 and P4 are ozone intermittent modes for indoor routine odors; and P5 is ozone continuous mode for strong odor removal in pets areas, bathroom, basements and more. Another button separately controls the U light for added purification. Vedawind O10 can accompany you throughout the day, bring a fresh and pleasant air for family and guests.