The Westgate Mfg WEC-2BT-28-AJ-WH is a PIR motion sensor with a 1-pin audio jack contact, rated at 600W across 120277V, featuring a 40 ft. detection range and 010V bilevel dimming for energy-saving occupancy control in commercial and industrial applications. Bluetooth app-ready functionality enables wireless configuration and adjustment without a ladder, and UL listing confirms compliance for professional installations. White finish; backed by a 7-year warranty.