The AC motor is the most powerful on the market. All professional dryers have an AC motor, alternating current. This type of motor is characterized by being much more powerful, not getting hot during use and having a long durability. In addition, this type of motor allows a much faster drying and is more respectful with the hair. Fashion Professional 2100 has a 2200W AC motor, which ensures a strong and powerful air outlet to dry your hair in record time. The more power, the less drying time. Ready in a moment!