Smart Technology for stablized heat during styling creating long-lasting, medium-to-loose curls and waves. Turbo Heat feature increases barrel temperature by up to 36°F for faster styling; 60 second heat up time. 3/4-inch barrel for tight curls and waves. 25 heat settings for all types of hair with auto-off. Dual voltage for international travel. Multi-layer technology, barrel combines the elements of chromium, nickel, copper and steel. Turbo Heat power boost for maximum heat at the push of a button. 30-second instant heat-up. Uniform heat recovery. 25 heat settings for every hair type. Dual voltage