CONTROLS | Decorator Spring Wound Auto-Off | Controls 5 a Fan. Rotate On/off; Rotate to Adjust Fan Speed. Fully Variable (For Use With Multiple Ceiling Paddle or Exhause Fans). Factory Set Minimum Speed | Features: Energy-Efficient Mechanical Timers Do Not Require Electricity to Operate, Automatically Limit the on Times, Press-on Knob Design Ensures Quick and Easy Installation, Cfl Compatible, Provide Direct Replacement of a Standard Wall Switch in Single o | Features: Silent Operation, Single Button Time Selection, Timer Contacts Shall Break Current at the End of Timed Cycle, 1 Year WarrantyFurbay Electric Supp