Ozone Deodorization Technology: Features ozone deodorization with a concentration of 20 mg/h to effectively eliminate odors from shoes, boots, hats, and gloves—keeping your gear fresh and ready for use. Dry 2 pairs of footwear simultaneously, saving you valuable time. Fast & Safe Drying: Enjoy efficient drying with built-in overheat protection, ensuring your footwear is dried quickly and safely without damage. Customizable Timer: Features a versatile timer ranging from 0.5 to 9 hours, allowing you to select the perfect drying period for any occasion—whether you're in a rush or need a thorough dry. Whisper-Quiet Operation: Operates at a low noise level of around 50 dB, making it ideal for use at home, in the office, or while camping without disturbing your peace. Versatile and Travel-Friendly: Lightweight design with easily disassembled tubes makes it perfect for travel, RV trips, or camping adventures. The extendable tube reaches up to 24 inches, perfect for drying boots and larger footwear.   Specifications Model SD20 Voltage 120 Volt 60 Hz Power 290W Product Dimension 12.1 x 11.6 x 23 in Tube  4-tube  Adjust the height  of the tubes: 24 ”  Weight 4.2lb Timer 30minute-9h Power Cord 6.2ft (1.9m)