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
1 7/8 in Depth, for 4 X 2 1/8 in Boxes, With Slide On, (8) 1/2 in Knockouts

• Special Features: 1 7/8 in Depth, for 4 X 2 1/8 in Boxes, With Slide On, (8) 1/2 in Knockouts 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
• Standard: Ul