This iron is battery operated, features refined CHI ceramic technology in its compact size, and generates elegant styles on the go. Its 1-inch ceramic barrel and ceramic heater provide optimal temperature control and even heat distribution in order to master smooth, sleek curls. The state of the art temperature-control button is adept to any hair type, ranging from fine to coarse. The temperature-control settings are color coded. The installed, lithium battery allows up to 30 minutes of consistent heating in accordance to the heat setting.