"Oscillating Wall Mount Fans service longer life than other normal fans due to the ball-bearing motor. The fan includes 3 aluminum blades. This Super wall fan has create an air velocity of 4,120CFM for 18inch, 4,533CFM for 20 inch. The fan has 3 speed settings, 90 degree oscillation and adjustable tilt. There are individual control of the speed settings and oscillation by using pull strings. Comes with a 6 feet 120 volt power cord. "