The Circulator HDT™ dries and warms with circulating gently warmed air efficiently drying and warming all types of footwear. A small but mighty fan creates forced air flow that is heated by ceramic heating tiles. This warms footwear in minutes and dries footwear in just a few hours. You can use it while at home or even while driving back from the mountain.Includes an adapter for the home and one for the auto.