Hair Straightener Brush 3 in 1 Professional Detangling Hair Brush Instant Magic Silky Straightening Hair Styling Anti Static Anti-Scald Ceramic Heating Hair Massage Comb Heating Hair Brush Straightener can up to 446? in less than 30 seconds. It allows to simply brush your hair straight and gets your hair straight in just several minutes of brushing. Achieve beautiful straight salon quality hair that will last for the entire day! Specifications : Product Name: Hair Straightening Brush Minimum temp: 212? (100°C) Max temp:446? (230°C) Voltage :110V-220V Frequency : 50/60 HZ Power on: Press the power button ON/OFF for three seconds. Temperature Setting Guide : – .For thick/curls Hair, choose 410?~446?/ 210~230? ; – .For common hair, choose 374?~410?/190~210?; – .For thin and soft hair, choose 338?~392?/170~200?; – .Recommend to choose highest temperature firstly, then set temperature according to your hair quality. Benefits : heat up to 446? in less than 30 seconds; 360 degree angle free swivel cord; Digital temperature control, LCD display from 100-230 degree Celsius; Pressing simultaneously + and ‘-‘ key to freely switch from Celsius to Fahrenheit; Double Anion launching produces more anion and eliminates static electricity. Warning : 1.Do not use in a bathroom or near anywhere of water/liquid; 2.Keep away from children; 3.When storage the hair straightener brush, please make sure it’s cold.