Specification: Item Type: Automatic Hair Curler Built In Battery Type: Lithium Battery Built In Battery Capacity: 7000mAh Material: ABS Ceramic How to Use Time Setting This automatic hair curler has built-in six perm durations of 8, 10, 12, 14, 16, and 18 seconds. When the time is flickering, you can change the length of time by pressing the adjustment button. Please adjust the according to your personal needs. Press the direction setting button to blink to change the direction of the perm. Please set the corresponding direction according to your personal needs. R L, inner volume and outer volume. Steps for usage 1. Make sure that your hair is clean and dry. It is best to comb your hair smoothly before curling. Turn on the device switch and press and hold for 3 seconds to turn on the machine. At this time, the machine is powered on, the LCD screen lights up, the temperature bar sign flashes, and the automatic temperature rise starts. 2. Press the power button left turn button in turn, you can select different functions (such as temperature, temperature unit, curling time, etc.) parameters for adjustment and setting. Press the power button until the temperature flashes, then press the left turn button to select the desired temperature, and then press the power button to confirm the setting. Press the power button until the duration flashes, then press the left turn button, select the desired duration, and then press the power button to confirm the setting. Press the power button until the direction (R L) flashes, then press the left turn button, select the desired direction (R L), and then press the power button to confirm the setting. 3. After three minutes, the system will automatically switch to the perm mark, press the curling button, put in the hair and start working. PackageList: 1 x Curling Iron 1 x USB Charging CableSimple Operate: Easy and Convenient Operation with Our Automatic Curling Wand. Our curling wand features a round and non-slip handle for comfortable grip, a backside concealed button design, and a built-in large capacity battery for convenient operation. Say goodbye to complicated curling tools and hello to effortless curls. 6 Gears Heat Settings: Achieve Your Desired Effect with 6 Different Heat Settings. Choose from 140-160? for fine and soft hair, 160-180? for general hair, and 180-200? for thick and hard hair. With 6 gears to choose from, you can achieve the every time. Intelligent Hair Curler: Create Beautiful Curls or Waves with Just One Button. Our smart induction motor requires no skill to use. Simply press the button and let our intelligent hair curler do the work for you. Cordless Auto Curler: Your Hair Anywhere with Our Cordless automatic curling iron. Say goodbye to messy and tangled cables with our cordless curling iron. With no cable restraints, you can your hair anywhere, anytime. Anti Scalding Tourmaline Ceramic Ion: Protect Your Hair and Skin with Professional Ceramic Hair Curler. Our hair curler is designed with tourmaline ceramic ion technology to help your hair retain and protect the stratum corneum. Plus,the curling iron is anti-scalding, so you can use it safely without worrying about harming your hands or skin.