What It Is:A curling iron that eliminates the guesswork with personalized heat.What It'S For:All hair types and conditions.What It Does:T3 Curl Id, featuring T3 Rapid HeatIQ technology, delivers first-of-its-kind styling personalization with a smart-touch interface and nine precise heat settings that automatically adjust to your specific hair needs. Input your unique hair profile based on hair texture, color and chemical treatments for optimized heat and smooth, shiny curls that last.The CeraGloss ceramic barrel smooths the hair cuticle to deliver long-lasting results in one pass. An ion generator infuses frizz-smoothing negative ions to lock in shine. With a lightweight body and sleek design, it ensures a truly effortless styling experience.Other features include a comfortable thumb grip, Cool Tip & Stand, auto world voltage, a 1-hour auto-off, a 9-ft. 360 professional swivel cord and a 2-year warranty with comprehensive coverage and support options.How To Use It:Gather a 2"-wide section of hair, clamp the iron halfway between the root and ends, twist the iron away from the face and toward the roots, then gradually release the curl in a vertical position. For a tousled look, rake fingers or a wide tooth comb through hair to loosen curls.Precautions: Consult the user guide prior to use. If there are any adverse or unexpected effects, stop use of the iron immediately.