Product details Specifications: Name product: curly hair straightener Rated voltage: 220V Rated frequency: 50HZ Rated power: 45W Net product weight: 378g Diameter heat conductor: 15 mm or less Best modeling time: 1-2 minutes Heating temperature: about 130 degrees -200 degrees Temperature setting guide: Customized set 266℉ (130℃) for the first time, or a soft thin hair; Customized set 293℉ (145℃) for common slight curly hair; Customized set 320℉ (160℃)/ 338℉ (170℃) for blonde, dyeing or colored hair; Customized set 374℉ (190℃)/ 356℉ (392℃) for very thick, curly and hard to straight How to use: - Wash your hair, dry it, and then comb your hair thoroughly. - Plug the hairbrush into the power socket and press the power button to turn it on. Straight hair operation: - Split the hair. Hold and tighten the hair root and place the prepared hair in the comb. - Put down slowly from the root to the tip of the hair, repeat the action until make it wanted straight hair. Curly hair operation: - To make the outer shape, hole the hair with your hand and roll it around the comb slowly, stay at the end of the hair for 3-5 seconds and repeat this action 3 times. - To make the involute shape, hold the hair with your hand and slowly roll it inward at the end of the comb for 3-5 seconds, and repeat this action 3 times. - After completing the styling, press the power button to turn the hairbrush off.