AKconu Mini Ionic Freshener Deodorizer Purifier, Odor Eliminator, Air Purifier Ionizer, for Refrigerators Closets Bathrooms This deodorizer purifier can generat ozone and anions to kill bacteria to avoid mildew. Designed for use in refrigerator to keep the foods fresh, remove odors such as garlic and onions. With built-in micro CPU intelligently controls the operation cycle and mode by one touch and indicates with the colored LED. Low voltage reminding ,when indicator becomes red, it reminds you of replacing batteries. Powered by 3pcs AA batteries (NOT included). Neutralizes or eliminates unpleasant odors with fresh air inside refrigerators, closets, bathrooms and cars, pantries, pet zones and wherever else you need it. This little ionic freshener also works great in SMALL places such as closets, pet zones, or even in the car.