"This Canarm Wall Exhaust Fan is an efficient, easy-to-install, low-maintenance solution for keeping room air fresh. 2-position switch not included required to operate the fan in high and low positions. HP 1/40, Dimensions L x H in. 15 1/4 x 15 1/4, Dimensions L x W x H in. 15 1/4 x 10 x 15 1/4, Amps 0.5, Air Delivery CFM 690, Needs to be Hardwired Yes, Speeds qty. 2, Speed RPM 1,600, Fan Diameter in. 10, Volts 115. Totally enclosed and thermally protected motor Galvanized blades are well-balanced for durability and efficiency Heavy wire chrome-plated OSHA guards Rugged steel welded box housing with durable powder-coated finish Aluminum louver shutters with long life nylon bushing"