1,Patented dual rotation technology to create easy, quality, waves in minutes2,The 1.25” large heating barrel with Titanium coating makes less damage and creates bouncy curls to last longer 3,Negative ions penetrate the hair core to nourish hair intensively from the inside4,The PTC heating technology can heat up within 50 seconds5,5 adjustable precise temperature settings from 140℃-220℃(280°F-430°F) for various hair types6,60 minutes of auto-off could ensure your and your family's safety.7,International dual voltage 100-240V