This Ozone Generator uses the oxidation of oxygen atoms to effectively kill bacteria with 99% sterilization rate in just 20 minutes. It's ideally used to disinfect fruits and vegetables, as well as remove unpleasant odor and keep them fresh. It offers 360° degree sterilization -- works great in air, on surface, and even inside fabric. Simply press and hold the power button, select mode, and wait till it's done. You can also put it into a fresh compartment of your refrigerator, closet, car interior, bedroom, and anywhere you want to disinfect.