Passive Infrared (PIR) outdoor motion sensors provide outstanding value in security lighting, as well as convenience, safety and energy savings for a wide range of commercial and residential applications. All devices available in white. Professional Series -Ideal for a wide range of commercial/industrial settings including parking areas, storage facilities, warehouses, loading docks, marina, garages, walkways, campus grounds, meat lockers, walk-in refrigerators/freezers, and outbuildings -Adjustable sensitivity and immunity to RFI signals reduces false triggers -Ambient light override prevents lights from turning on when there is ample natural light -Surge suppression minimizes likelihood of damage due to electrical surges -Temperature compensation feature ensures uniform performance in extreme hot or cold weather and during temperature fluctuations Residential Series -Ideal for a wide range of residential settings including backyards, garages, entranceways, porches, swimming pool areas, doorways, and private docks -Adjustable sensitivity reduces false triggers Meets ASHRAE Standard 90.1 requirements Backed by a Limited Five-Year Warranty