It effectively breaks down the odor of the shoes at the molecular level, and deodorizes. Equipped with 2 modes, it can be used not only for shoes but also for shoe boxes and closets. Features: Uses ozone with high deodorizing effect for deodorizing shoes, shoe boxes, and closets. Ozone returns to stable oxygen (O2) over time, so unlike deodorizers, there is no need to worry about chemicals or other residue left behind. Can be used with only 3 AA batteries, making it economical to use. Powerful breakdown of the odor of shoes! Press the button and insert the main unit directly into the shoe, and it will start deodorizing immediately. Ozone breaks down the source of odors. Cuts approximately 90% of the cut; Equipped with 2 modes; Includes 2 modes: Shoe Mode to match shoes and boots, and Closet Mode to match closets and wooden closets. Maintenance free and long time operations; No need for troublesome filter replacements. With just 3 AA batteries, it can be used up to 250 times in shoe mode, or up to 2 months in closet mode. Equipped with LED for confirming operations; Equipped with an LED on the front that displays the operating status. Closets and shoes...