Tangerine Twist 1" Flat Iron heats up to 450 degrees F; Ceramic plates preserve moisture, creating incredible luster and shine; Plates contain tourmaline semi-precious stones that eliminate frizz for silky, shiny hair; Multi-temperature high heat straightens thick and coarse hair; 20 Heat settings provide precise temperature control for all hair types; Fast 30 second heat-up; Heats evenly and retains high heat; Clamp style holds hair tight for quick results; Tangle-free, swivel cord; Worldwide dual voltage; Closing lock for easy storage; Auto shut-off.