The Fixture Mount Sensor from Lithonia Lighting offers reliable and versatile solutions for commercial and industrial lighting control applications. This sensor provides 360Ë control for fixtures mounted either high or low. The sensor protects lamp life while maximizing energy savings by turning the lights off when you need them and off when you do not. The sensor incorporates the industry™ s leading passive infrared (PIR) technology which monitors changes in infrared energy given off by occupants as they move within the field-of-view. Also known as -Lithonia Lighting Lighting Hardware Fixture Mount Interchangeable Lens 360 Degre