The PW-302 passive infrared (PIR) wall switch sensor turns lights ON and OFF based on occupancy. It contains two relays for controlling two independent lighting loads or circuits, and a variety of features. High sensitivity and dense coverage for exceptional performance Two relays for control of two separate lighting loads or circuits Defaults to Auto-ON to 50% operation for maximum energy savings Optional neutral connection with break off tab to expose neutral terminals 120/240/277 VAC and 347 VAC models