The Ultra Dryer and Deodorizer PEET travels everywhere and removes wet and sweat from any pair of boots, shoes, skates, or cleats and can be plugged into any 110-120 volt U.S. household current. Dry Responsibly with PEET. Disclaimer: A voltage reducer may be required for use of this dryer in countries other than those intended. PEET is not responsible for any resting overheating or damage caused by the misuse of this dryer. Ultra Power Cell Shoe & Boot Dryer & Deodorizer