What are the highest and lowest temperature settings of the Three Way Multi-Use Flat Iron? February 05, 2024 20:42 Updated The Three Way Multi-Use Flat Iron has four digital temperature settings: 200° F, 325° F, 360° F, and 450° F. Related articles Why is it called the Three Way Multi-Use Flat Iron? Do I need a converter when I travel? What is included with the Three Way Multi-Use Flat Iron?