Smart Heat 1 1/2" Nano Ceramic Crimping Iron Item No. GH7106 Professional Features: Exclusive Smart Heat controls, 1 1/2" nano ceramic crimping plates radiate gentle far-infrared heat, locking-in moisture in the hair shaft and sealing the cuticle from damage, Easy-to-read LED display, Temp lock eliminates accidental temperature setting changes while in use, 8-ft. professional 360 degrees swivel cord.