Revlon Perfect Heat ?inch Professional Styline Iron with Ceramic has an easy-to-clean ?inch ceramic barrel for medium sized curls. The Ceramic Technology provides high heat while protecting hair. There are 30 heat levels to offer maximum heat plus optimum control. It has a 60-second fast heat-up with high heat constant heat. There is an ON indicator and an automatic shut-off. There is a built-in folding safety stand and a cool tip. It has world-wide dual voltage for use anywhere. It has a tangle-free swivel cord. Triple Baked Ceramic Tourmaline & Ionic Technologies for softer shiner curls withouth the frizz. 30 second fast heat up for instant results High Heat Constant Heat for the perfect styling level 30 Heat Settings with Automatic Shut Off Includes Protective Silicone Heat Shield