Jobsite Mighty Dry Boot Dryer 54172Features FOUR heating tubes, which all come with extension tubes for taller boots High quality ball bearing motor design Forces warm air to rise inside the wet garments, while maintaining a quiet, safe, and reliable approach Maintain health by eliminating odors, perspiration, and bacteria The Mighty Dry is so strong and fast, it can dry almost all wet garments placed on it within one hour On off switch for heat no heat Automatic shut off with timer