What it is: Hot Tools Ceramic Tourmaline Digital Salon Flat Iron seals the hair cuticle, eliminates frizz for soft, shiny hair and long-lasting curls creating radiant hair styles. What it does: Rheostat control dial with variable heat settings up to 430F; Perfect for any hair length; MULTI-DIRECTIONAL floating plates for full hair contact and one-pass straightening; Cool touch ridges for comfortable handling; Rounded plate edges to curl ends under or flip them out; Separate On / Off switch;