3x less damage: so long to heat damage. Smartpro heat sensor technology uses the most comfortable heat levels to quickly achieve straight styles. Vs standard Remington straighteners Patented sensor technology: The SmartPRO adjusts heat levels automatically by monitoring the temperature and moisture level of hair. This smart technology leads to healthy, beautiful styles. 60-Min. Auto shutoff: A 60-minute auto shutoff feature lets you OPERATE the straightener with peace of mind every time. Tangle-free swivel cord: Style comfortably at any angle with the salon-quality, 360 Degree swivel cord. 1" Ceramic floating plates: Ceramic helps fight frizz while the floating plates stay in constant contact with hair for a smooth, comfortable glide.