AB-801D Products feature: Three gears adjustable heat and wind speed design, adjust temperature and wind speed according to personal hair quality 1.8m rotary plug for easy use. Head insulation to prevent scalding Bristles comb teeth to prevent hair knots Uniform cooling hole design.uniform distribution of wind force, rapid drying of Hair, effectively avoiding hair damage caused by heat concentration. Double Voltage:110-120/220-240V Power:1100-1300W .