The fixture mount PIR high bay wet location external occupancy sensor (OSFHW) is ideal for damp or wet locations such as supermarket meat departments, food processing plants, parking garages and other washdown, high ceiling applications. The OSFHW features a IP65 rating for indoor and outdoor locations and is designed to withstand dust and pressure washers. The sensor comes with two interchangeable lenses for use in either a 360 deg high bay or 360 deg low bay general area and includes an aisle mask accessory.