Temperature matters when it comes to hair health, so leave the heat to the Remington Pro 1" Flat Iron with SmartPRO sensor technology. It features patented sensor technology that monitors the temperature and moisture of your hair, and automatically adjusts heat levels to help prevent damage. This breakthrough technology is the perfect way to enjoy sleek, smooth styles, and maintain hair health for the long-term. Thanks to SmartPRO, you can get the straightened styles You love with 3x less damage and breakage. Plus, the 1" Floating plates gently glide over hair to straighten evenly with every pass, while the ceramic content helps fight frizz and humidity. The SmartPRO is exactly what your hair needs to stay healthy and beautiful. Your hair. Your temperature. Less damage. Vs standard Remington straighteners.