Features:Unique 3 tubes designTemperature control technologySuitable voltage: Universal universal voltage AC110V-240V, 45W-65WWith one switch and 2 modes ( 180 Deg.C and 210 Deg.C ) adjustable temperature, safer to usePTC heating bodyRelease large amounts of negative ions and repair the damaged hair automatically, which can make your hair more healthy, natural and hair shape more lastingPackage include:1 x Hair CurlerMethods:The hair should be completely dry and combed thoroughly and divide your hair into strands with a comb before use.After plugging into the power, push the switch into the gear you need, heat for about 1 minute.Take a strand about 2-inch wide between forefinger and middle finger, press the curler together over the strand of hair for a few seconds.Slowly move away from the roots to the ends, do exactly the same with the next strand of hairs.You may need to separate strands in thick hair with hair clips.After using, cool it down for at least 15 minutes and then store it away.Warning:Be kept out the reach of children as they are possible sources of danger.Pay special attention to the external parts of iron plates, they are very hot and may cause burning.Avoid touching the skin on the neck or face.Keep the curler closed for 10 seconds at most so that you do not damage the hair.If you have any problem, feel free to contact us, we will help you solve the problem. Thank you for your cooperation!