This smart automatic curling iron is easy to operate, just press and hold the side button until you hear a beep, and you will get long-lasting and natural curls. Featuring smart thermostat technology to ensure the temperature is always stable, 300F to 390F is suitable for all hair types, the curling iron works wonders even on heat damaged or thick hair. In 8 to 18 seconds, you can create softer waves or sharper curls. Built-in smart chip, 10min operation will automatically shut down to protect your safety. This cordless iron is so small you can even take it with you in your bag so you can create perfect curls anytime, anywhere, even if you're traveling the world. It is an ideal gift choice for your family and yourself, beautiful women, young people and elegant women. Operating Temperature: 150-200C/300-390F Preheating Time: 70-80 seconds (150C/300F) Input Voltage/Current: DC5V/2A Rated Voltage: 3.6V Material: Ceramic Coating Size: 23.4 x 5cm Color: White, Purple, Gray(optional) Weight: 600g Package List: 1 x Automatic Hair Curler