T3 Smooth ID Smart Iron 1 InchT3 Smooth ID Smart Iron 1 Inch Tailor your heat for smooth, shiny results and less damage with T3 Smooth ID 1'' Flat Iron. Smooth ID delivers first of its kind styling personalization with a smart touch interface and heat settings that automatically adjust to your specific hair needs. Features: T3 HeatID technology: Automatically determines your optimal heat setting based on your hair texture, length, and color treatment inputs T3 Rapid HeatIQ