The Westgate Mfg WEC-2MD-TRIAC is a TRIAC bi-level microwave sensor rated for 120V systems, housed in a clear polycarbonate enclosure for discreet ceiling integration. TRIAC phase-cut dimming delivers smooth bi-level control compatible with TRIAC-dimmable drivers and ballasts, supporting high and low occupancy states for energy management in corridors, restrooms, and offices. UL listed with a 7-year warranty.