Includes dual-zone technology — two next-generation heat sensors preset to the optimum styling temperature of 365°F, proven to deliver sleeker, smoother and healthier looking hair.* More than just a straightener, create anything from flat iron waves & curls to a sleek straight look. #flatironwaves ghd 20 Years of Hair-itage - loved by beauty enthusiasts, endorsed by stylists. Avantages : *Pre-set to the optimum styling temperature of 365°F for no extreme-heat styling damage. *Dual-zone technology with two next-generation heat sensors *Heats up in 25 seconds *Automatic sleep mode after 30 minutes of non-use *Comes with a heat resistant, protective plate guard *Professional length 9ft cord. *Universal Voltage How to use : *Use on dry hair. *Spray heat protect spray and comb through from root to tip before styling. *Section hair into 1" sections. *Ensure that the styler is as close to the root as possible before closing the plates. *Gently move toward the tip of the section in one simple gliding motion. *Repeat the process with each section of hair, gliding once from roots to ends.