Designed to create tight curls and corkscrew curls, UNOBEY 9mm curling iron features tourmaline ceramic technology for even heat, long lasts all day with less frizz. It's an ideal hair styling tool for your lover, friends, family or yourself whatever at home or on the go! LCD Digital with Adjustable Temperature: 100℃-230℃, You can choose the proper temperature to fit your hair type PTC heating tech, the ceramic barrel can heats up in 30s instantly, reduces your waiting time Tourmaline ceramic technology for even heat, release negative ions which can reduce hair damage and make your curls last all day with less frizz Anti-scalding tip and heat resistant glove avoid scalding your hands while styling your hair How to use this curling iron? step 1, Turn on the small curling iron, choose temperature and wait for heating up step 2, Curling wand 30° inclination, single hand grip a bundle of hair, and wrap it round the wand. Step 3, Stay for 10-13 seconds and release.