about this project Ozone FunctionOzone can quickly eliminate odors, keep food fresh and purify the air. This machine emits up to 120mg/hour of ozone. Ion Effect-Negative ions can effectively freshen the air and settle all particulate matter in the air, including smog, haze, pollen, etc. This machine has its own blowing system, which can transmit negative ions to the entire space, thereby purifying the air quickly. Multiple working modesThree working modes can be selected by pressing the button: negative ion fresh air, ozone purification, and powerful deodorization. Simple operation, automatic cycle work. Please pay attention to the second and third gears during use. During the pause interval, the indicator light is not on at this time. It's not a lack of strength. Rechargeable and Portable- Small size, can be carried and placed anywhere without plugging in. Suitable for all independent spaces, such as cars, bathrooms, refrigerators, shoe cabinets, pet rooms, etc. . No Noise and No Filter- Don't worry about the air purifier filter getting clogged. There is no need to apply a filter. When it purifies the air, there is no noise, and you will ignore its existence.