POWERFUL CLEANING: The shoe deodorizer emits ultraviolet light at 185 nanometers, which helps convert oxygen in the air into ozone. Ozone's high oxidation properties help break down odors and impurities, leaving the air fresher without harming users. EFFECTIVE PROTECTION: To maintain foot health, it's important to keep shoes dry and odor-free. The oxidizing action of ozone helps eliminate shoe odors and promotes a fresh environment inside footwear. Keep your shoes hygienic with this UV sterilizing deodorizer. ODOR ELIMINATION: Effectively dries shoes while reducing unpleasant smells, helping to care for your footwear and extend its lifespan. The deodorizer features a long-lasting UV lamp with an 8000-hour life and a screw-type bulb design. Keep your shoes fresh and clean daily. THREE OPERATION MODES: Mode one allows manual on/off control. Mode two runs for 15 minutes. Mode three runs for 30 minutes. After the selected cycle ends, the device automatically shuts off. Use it to dry and refresh shoes efficiently.