Optimus 16 inch oscillating stand fan includes 3-speed adjustments for energy savings and a whisper quiet motor when in operation. 4 position piano key switch: Off, Lo, Med and Hi located on the pole of the fan. Includes adjustable tilt and angle head for vertical settings as well as adjustable pole height. Base of the fan is a cross design for extra stability. Provides full room 90-degree oscillation for excellent coverage. No tool assembly required and the powder coated safety grill is easily removable for cleaning.