Revlon Wet to Set 2¼" Tourmaline/Ceramic Straightener has a tourmaline hydration system - natural gemstone emits optimum ions that help hair retain natural moisture for superior shine and faster results. There is full-size 2¼" tourmaline/ceramic plates for wet to dry hair. The water evaporates from hair during straightening, decreasing styling time. There is a 30-second fast heat-up. This professional ceramic heater reaches a temperature up to 400° F. The LCD display indicates precise temperature settings. There is high heat, consistent heat. It also has a plate locking switch and tangle-free swivel cord.