The Peet Advantage Plus Boot Dryer powers air through the Air Chambers and DryPorts with a fan and the ability to use heat, to dry gear faster than traditional natural convection models. The Advantage PEET dries most footwear in 1-4 hours, depending on the saturation of the item. The large, sturdy base can easily handle 2 pairs of heavy ski boots or skates and easily plugs into any standard 110-120 volt U.S. household currents. This product is equipped with ETL-approved fans. Dry Responsibly with PEET.FeaturesHeat and no heat drying optionsRemoves wet, sweat, and odor from footwearHolds 2 pairs1-4 hour dry timeDries rubber, vinyl, neoprene, canvas, synthetics, fleece, felt, micro fiber, and more