Revlon Perfect Heat Triple Ceramic Curling Brush Iron For Silky Smooth Wave Curls (3/4 in) - NEW DESIGN: All new thumb rest, heat dial with resistance and ergonomic handle - HOW TO TURN ON: Press and hold ONOFF Button for 3 seconds this will turn on the iron - TRIPLE CERAMIC: Helps reduce damage from over styling with even heat distribution, making styling fast and easy - ALL HAIR TYPES: Complete styling flexibility and control with 30 second heat-up and high heat settings up to 400 F. - TRAVEL READY: Automatic shut off, a built-in counter rest, and dual voltage so you can use anywhere.