Thank you for viewing! This is a CORNMI ozone deodorizer. Although unused, the box has some stains. Thank you for your understanding. (⁎ᴗ͈ˬᴗ͈⁎) This air purifier can be used simply by plugging it into an outlet, so it doesn't take up much space. 【Multi-functional Mode】 It adopts a 5-in-1 multi-functional mode and has functions such as deodorization, formaldehyde removal, and negative ion air purification. It's a mini size, so it won't get in the way wherever you put it, such as in the bathroom, bedroom, garage, closet, or pet house. 【Ozone Equipped】 This ozone deodorizer has three ozone generation modes: 30 minutes, 60 minutes, and continuous cycle. With the power of ozone, it powerfully removes harmful substances in the air and can deodorize various odors such as toilet odors, sweat/body odors, food odors, garbage odors, sewage odors, tobacco odors, and mold odors. It also has a certain effect on removing formaldehyde. 【Negative Ion Purification Equipped】 It is also equipped with a negative ion generator, and when you press the negative ion button, it precipitates dust, pollen, and other floating particles in the air, reducing harmful substances and preventing them from adhering to the mucous membranes of the throat and nose. 【Outlet Type, Energy Saving】 This ozone deodorizer can be plugged into an outlet, saving space and energy. The operating sound is very quiet during operation, so it won't disturb your sleep. It can also operate continuously for a long time.