The Remington 4 In 1 Adjustable Hair Waver is a versatile styling tool that allows you to achieve different wave depths for a variety of hair types, including long hair. With its ceramic coating and electric power source, this waver delivers heat up to 410 °F for efficient and professional results. The adjustable heat settings, cool tip, and auto shut-off features make it easy to use and keep safe while styling your hair. Made with high-quality materials and a 4-inch barrel size, this waver is a reliable and convenient addition to your beauty routine.