Small enough to go anywhere, the DryGuy ACDC BootShoe Warmer and Dryer warms your footwear in minutes and dries your footwear in hours with safe efficient heat. . Compact, portable, lightweight size. Packs easily in boots or shoes. Silently warms footwear in minutes. Dries footwear in hours approximate drying time: 6 to 10 hours. Will not damage footwear, liner, or footbed. Safe, efficient heat eliminates odors, increasing the life of footwear and gear. Made with high quality thermoset plastics. Power: 120V ZC household outlet or 12V DC. Size: 2 x 1.5 x 6 in.. Weight: 7 oz.