The Beachwaver® S1 is the medium sized barrel and is perfect for any hair type and texture, but works best for shoulder length or longer. The S1 is our most popular size so if you are looking for the most loved iron, this is it! With automatic rotation at the touch of a button, curling your hair will be effortless and fast! The Beachwaver is a unique patented invention, which revolutionized the industry and changed the hair curling game! With the Beachwaver® S1, you can create three different styles, including defined curls, relaxed waves and glam waves. Its ceramic, rotating barrel provides easy, quality waves in minutes! Plus, it is dual voltage, so you get gorgeous hair wherever you go! Take it abroad! 100 - 240V Ergonomic, easy grip clamp Adjust between °F and °C 1" barrel diameter 5.5" protective ceramic rod Ceramic barrel distributes even heat from top to bottom Customized smaller clamp for no kinks Dual rotation: arrow button control Home button to reset clamp Hi/Lo adjustable speed switch Customized, full-length internal heaters 8' swivel cord Digital temperature clock Heat range: 290ºF (143ºC) - 410ºF (210ºC) in 30 seconds Safety stand 1 year Manufacturer's Warranty 30 min automatic shut-off