hair straightener brush, rifny hair straightening comb with anti scald auto temperature lock 3 heat levels, 30s fast ceramic heating straightening brush for home, travel and salon (s10) rifny 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 rifny 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.