"220V Cooling Fan" inspired air blade hand dryer. The principle of air hand dryer blades are forcing air through a small opening to "blow" dry hands in water, air multiplier is to allow air from a 1.0 mm wide incision rotating around the ring amplifier blew out. As air is forced to blow out of the circle, the amount of air can be increased by 15 times the original, "220V Cooling Fan" can reach 35 kilometers per hour. Wind air double the air flow than the average fan is more stable. It is equivalent to the amount of air produced the best performance on the market fan. "220V Cooling Fan" Because there is no fan film to 'cut' the air, the user will not feel the impact and wavy stimulation. It is through continuous air flow make you feel more natural cool.