Ceiling Sensor Switch - PIR White - Ceiling Sensor leads to great energy savings.Ceiling Sensor Switch - PIR White features include: The Passive Infrared (PIR) Technology senses occupancy by detecting the difference between heat emitted from the human body in motion and the background space. PIR Ceiling Sensor Switch works best in offices, copy rooms, storage closets, small conference rooms, and other common areas where there are high levels of occupant motion. PIR Ceiling Sensor Switch turns lights On/Off automatically when people enter or leave a room Will work with Electronic, Fluorescent, Compact Fluorescent, Magnetic Low Voltage, Electronic Low Voltage and LED lighting Auto ON/OFF Coverage: 360deg;, 30Ft Height amp; 40 Ft Dia. Adjustable Light Level Sensitivity Settings - Ambient light setting automatically adjusts itself and controls when lights turn On/Off, depending on sufficient natural light present Time Delay Off setting is adjustable from 15 Seconds to 30 minutes Material: Polycarbonate 60Hz Single Pole No ground required Conforms to California Title 24 Energy Code cULus Listed Order Qty of 1 = 1 Piece Below is more info on our Ceiling Sensor Switch - PIR White