1. 4 in 1 Hair Crimper: The hair crimper ceramic constructed with Four interchangeable ceramic plates, you'll get 24-hour styling control for frizz-free styles, even in humidity, and the auto-off function provides extra safety and convenience 2. 4 Temperature Settings: This crimper hair iron features 4 individual temperature settings 320F/160C (low)-430F/220C (high) while providing 24hr styling control, rapid heat up and lets you achieve pin-straight tresses, stylish flips and natural-looking waves 3. Tourmaline Ceramic Hair Crimper: High heat up to 430F locks in the style for fast results, while Tourmaline Ceramic Technology helps to reduce frizz and add massive shine 4. Safety Function: Insulation front-end product your hand from burning.60 minutes auto-off feature to make sure home safety. Dual voltage (100~240V) 5. For All Hair Types: Our tourmaline ceramic styling tools achieve gorgeous results and are safe for all hair types including dry, color treated, fine, medium or coarse