Great for refrigerator deodorization, unlike baking soda and bamboo charcoal bags that only absorb odors, the deozonator quickly and effectively circulates active oxygen to every corner of the refrigerator. It not only absorbs odors, but actively eliminates them. After a few hours, you notice how much cleaner your refrigerator smells. Affordable Choice - No consumables, no filters to replace, reusable! This USB rechargeable refrigerator deodorizer is fully automatic and maintenance-free, saving you time and money! Don't waste money buying charcoal, baking soda, and deodorizers that you throw away after a few weeks. The multifunctional refrigerator deodorizer effectively reduces unpleasant odors in enclosed environments such as refrigerators, freezers, shoe cabinets, wardrobes, cars, pet rooms, etc. It can also help extend the shelf life of food and keep it fresh. LED Display, Easy Operation - This refrigerator deodorizer is fully functional and ready to use at any time. -touch refrigerator cleaner operates in two modes - standard mode, and the LED screen displays the operating mode and battery level, so you can easily switch modes and charge in time.