SALONIA 32mm 2-Way Straight & Curl Hair Iron The highest temperature setting is professional-grade 220°C. Temperature can be adjusted in 5°C increments, ranging from 100°C to 220°C. Ceramic coating plates. I haven't used it much since I bought it, but please consider this item, as it has been stored at home. The instruction manual and box are not included. It will be shipped with simple packaging. Thank you for your understanding.