Ceiling Flush Mounted Passive InfraRed (PIR) Occupancy Detector & Photocell
 
This flush mounted sensor is suitable for easy mounting through a 73/75mm diameter hole into a ceiling void which is at least 78mm deep. For optimum coverage, mounting height is recommended between 2.4m – 3m giving a detection diameter of up to 7m. The integrated light sensor can be used for daylight dimming or as a photocell.Suitable for most applications including commercial, industrial, education, retail hospitality and many more.