Effortlessly add body, wave, and curl to your hair. This set of 12 ionic rollers heats fast and evenly while promoting shiny, healthy volume. Perfectly even heat is created through individual PTC heaters housed within each roller. Charged by the base, rollers are completely heated in three to five minutes and remain hot for up to 20 minutes. Healthy Hair Technology features ionic properties and infrared rays. 32 minerals are baked into the plastic rollers, promoting shiny, strong, and healthy hair. Temperature indicator dots on each roller change from black to red to display when the max temperature of 230F has been reached. Claw-style clips make for an easy and secure hold when attaching rollers to hair. How do I use it: Place rollers onto charging base. Plug unit into wall outlet. Turn power button to the "on" position and allow three to five minutes for rollers to heat. Do not place clips on rollers while heating. Rollers are ready to use when indicator dot on top of each roller turns from black to red. If the indicator dot does not turn red, readjust or turn the roller to ensure that it is firmly connected to the base. Style hair. Use our styling guide to create versatile looks. When finished using, turn power button to the "off" position. Unplug appliance and allow to cool. From Calista. Includes: