Bio Ionic G-Luxe Series Style Winder 1 Inch Rotating Styling Iron - LIMITED EDITION! Simple & Unique Rotating Styling Barrel _ as easy as Clamp, Wrap, Roll! Digital Temperature Control up to 440ÁF/226ÁC to customize for different hair types. 2-Hour Automatic Shut-Off. NanoIonic» Mineral fused to iron barrel. 1 year manufacturer's warranty.