XPOWER FC-150B Dual Power Rechargeable Fan, 1000 CFMXPOWERs FC 150B Brushless DC Motor Rechargeable Whole Room Air Circulator brings you all the features packed in your advanced XPOWER air circulator, but now with the freedom of cutting the cord. Thats right, utilize 1000 CFM of whole room air circulating power cord free. With its built in re chargeable battery, charge up the unit and take your axial air mover anywhere you need air circulation, ventilation, or drying needs. XPOWERs air movement