Bio Ionic Stylewinder Rotating Styling Iron 1In White This state-of-the-art iron is designed for ease of use, featuring patented rotating clamp technology that lets you effortlessly create cascading waves or classic curls in just three simple steps: clamp, wrap, and roll. Equipped with our signature Bio Ionic Moisturizing Heat® Technology, it locks in moisture and seals the cuticle, leaving your hair softer, smoother, and more conditioned while you style. Easy to use self rolling barrel makes it easier to create curls and waves Customized styling dependent on barrel size Bio Ionic Moisturizing Heat(R) Technology locks in hair's moisture for healthy, long-lasting curls Digital temperature control up to 440°F with auto-shutoff and 110V Features Silicone Speed Strips: No Ceramic Mineral Complex: Yes BioCeramic MCH Heater: Yes Far Infrared Heat: Yes Sonic Vibration: No Adjustable Heat: Yes Swivel Cord: Yes Automatic Shut-Off: 1 hour Wattage Rating: 30 Temperature: 440 Weight (without cord): 7 oz (.75") / 8 oz (1") / 9 oz (1.25") / 10 oz (1.5") Cord Length: 9 ft Warranty Length: 1 Year Warranty Universal Voltage: No Use Let the iron do the curling, after you clamp the hair, and wrap around the barrel, use your index finger and thumb to roll the barrel as it winds the hair up into a curl.