Dimmer With Push On/off Knob, 3-Way | Controls 600 W Incandescent or Halogen Loads. Push On/off; Rotate to Adjust Light Level | Fan Control (Left) Use Slide to Turn Fan On/off and Adjust Fan Speed. 3 Quiet Fan Speeds Designed to Prevent Motor Hum (For Use With One Ceiling Paddle Fan). Dimmer (Right) Toggle Turns Light On/off. Slide Up to Brighten, Down to Dim | Passive Infrared Sensors That Automatically Control the Lights in an Area. These Sensors Detect Heat From Occupants Moving Within an Area to Deterine When the Space Is Occupied. Combines a Maestro 0-10 v Dimmer With an Occupancy Sensor. Controls 1-10 VdcFurbay Electric Supp