12V 13.2W, 16V 22.4W today one of the best fan of the same type, this large fan power, high speed, just like an airplane describe it, pay attention to safety when in use, do not put your hand close to the fan inlet, in case of emergency. There must not drink and play with the fan, not sloppy. To quiet buyers please do not buy, but this fan noise 81.9DBT he small size (40x40x56mm only ), Super wind, high winds