?5 Adjustable Temperature Settings?: Five preset temperatures between 280°F-456°F for all hair types, fine/coarse/damaged/healthy hair, all to suit your needs. The curler automatically shuts off after 60 minutes, giving you peace of mind. ?4 size options & safety against burning?:Compared to the traditional open triple 3 barrel hair waver , janelove mermaid hair waver -the wrap-around heated barrel design prevents burning and is easy for novices to handle. Simply pull the adjustable dial and rotate the depth of the barrel to get four sizes of wave - 22/25/28/32mm - for even more practicality. ?Upgraded Silicone Pad Storage?: The insulated silicone pad replaces the traditional storage bag, not only protecting any delicate surface from heat damage, but also protecting your family and children from burns. Stylish safety lock for easy storage. ?Fast Heating PTC And Ceramic Coating?: The hair waver heats up to 450 ? in just 30 seconds; the ceramic coating is designed to heat evenly and reduce frizz, asking you to boldly create your personalized style. ?One Hair Curler Creates Four Different Waves?:Turn the rotary button to adjust the height of the heat-generating PTC crossbeam to achieve different wave depths,give you 4 different wave styles-22mm-deep and defined waves;25mm-flowing mermaid waves;28mm-loose beachy waves;32mm undone tousled waves.