Intermatic - IOS-DSR-WH - Commercial Grade Self-Adaptive In-Wall PIR Occupancy Sensor, No Neutral Required, White DPUV4EHUB Multiple size wiring knockouts are

Multiple size wiring knockouts are provided on the bottom and back side of the case to adapt to a wide variety of wiring applications

2inches means you will easily take-on everyday pruning with confidence

The visible scale makes adjustment quick and easy

3-year service life replaceable lithium battery

4inches provides clean

Intermatic - IOS-DSR-WH - Commercial Grade Self-Adaptive In-Wall PIR Occupancy Sensor, No Neutral Required, White DPUV4EHUB Multiple size wiring knockouts areSpec Sheet Install Manual Intermatic IOS DSR WH Commercial Grade Self Adaptive In Wall PIR Occupancy Vacancy Sensor, No Neutral Required, White The passive infrared sensors work by detecting the difference between heat emitted from the human body in motion and the background space. The sensor switch can turn a load ON and hold it as long as the sensor detects occupancy. After no motion is detected for the set time delay, the load turns OFF