en Quick Beard Straightener Irons Hair Straightener Specification: Thermal conductivity material: Tourmaline ceramic Heating elements: PTC Voltage: 110-240V Frequency: 50/60Hz Applicable hair: Dry and wet Temperature: 120,250,~230,450, adjustable Power cord tail assembly mode: 360 rotatable Cord length: 2m Color: White Size: 29.7*5cm,Length*Width, Weight: 486g Package Content: Hair straightener*1 Water pipe*1 User manual,English/Chinese, Explain: 1. After boot, the LCD temperature display is 120, press the power switch once, temperature will rise up 5, if the temperature reached the max. temperature 230, press the power switch again, it will start from 120. 2. If you need steam function, press the spray button, then the LCD display will have spray pattern, when the hair comb is closed, it will have steam function, when the hair comb is open, there will be no steam function. To turn off the steam function, simply press the spray button again. 3. After the temperature is set, press and hold the spray button and not released, you can lock the temperature, other buttons are unable to operate after the temperature is locked; then again press and hold the steam button and not released, you can unlock the temperature.