Product Auto curling iron adopts one-button curling design! Easy to operate - Just press a button - You can get stunning waves with fast and easy - Makes beautiful hair last all day!!!ONE-BUTTON AUTOMATIC CURLING, NO TRICKS! 1: Press and hold the "power button" for 3 seconds to turn on the machine.2: Click the "temperature button" to choose the right temperature for setting.3: The curling iron starts heating. When finished, select the right amount of hair to put in the slot. Long press the "Start" button to start curling hair.4: Roll the head into the U-shaped slot and wait for ten seconds or so!4 LEVELS OF TEMPERATURE SETTING:Depending on the thickness and length of the hair, the temperature can be set to meet the different hair types of people.LEFT AND RIGHT OPTIONS:Only Jane left and right options, press the button and wait for ten seconds or so, no need to perform multiple steps.SMART MOTOR:Say goodbye to the traditional manual curling style, more convenient to use, more three-dimensional shape.