Specifications Power : 45W Frequency : 50-60Hz Voltage : 110 - 240V Temp Range : 350F - Soft, thin, Fine / Bleached & Dyed 390F - Normal / Slightly Curly 450F - Thick, Curly & Wavy Net Weight : 1lb / 450g Plate Material : Ceramics Auto Shut-Down : 60 Minutes Feature -Many iron hair strengthener burn scalp easily, but  heated straightening brush is great for straightening, detangling and flattening hair. -Works well for all hair type; soft, thin, bleached, dyed, straight, curly, coily, kinky, thick or wavy, this professional straightening comb, styles your hair in a silky and natural way. -No matter what type of hair you have, there is a right temperature setting to meet it. The Rifny S10 is environmental friendly, made with flame-retardant nylon material that ensures that it will not melt, smoke, or produce a toxic odor under long term use at the highest temperature. -Good travel companion. Note: You need to carry a travel plug -Designed with a heat-balanced micro-sensor to adjust the temperature and distribute the heat evenly. No hurting your hair, compared to the Iron Hair Straightener, this hotcomb will not clip your hair. -A simple deign, Rifny hair brush makes it easy to straighten your hair at home Notice: It is not suitable for short hair. (Pls check our user manual and video before using S10 hair straighter brush). Take your healthy luster hair, and keep a beautiful professional salon hair style all day.