The K&K Pro Collection Salon Straight Copper Smooth 1 1/2'' Xl Flat Iron Helps You Quickly And Gently Glide Your Way To Long-Lasting, Smooth, Straight, Shiny Styles With Less Frizz. Featuring An Optional Slide-On Smoothing Attachment With Snag-Free Bristles, Hair Is Distributed Evenly Across The Plate For Better Control, Glide And One-Pass Styling. Advanced Copper 3X Ceramic Plate Technology Transfers Heat Faster For Less Damage And 81% Less Breakage. The Technology'S Even Heat Distribution Delivers 24-Hour Frizz Control, And An Exclusive Extra-Large Plate Delivers Twice As Much Styling Power For Expanded Coverage And Faster Results. Thirty Variable Digital Led Heat Settings (From 250 Degree F To 455 Degree F) Of Professional High Heat Provide Precise Styling Control And Flexibility For All Hair Types. Other Professional Features Include A 60-Minute Auto Shut-Off, 10-Second Heat-Up, Color Fade Control, Smart Heat Memory System That Automatically Recalls The Last Temperature As Your Preferred Heat Setting, And A Plate-Locking Switch For Easy Storage. Based On Testing By An Independent Third-Party Lab. When Used At A Setting Of 400 Degree F Or Below. Based On Testing By An Independent Third-Party Lab.