HB3x0W-Lx occupancy sensors are designed for automatic lighting control in warehouses and other medium and high bay wet location applications. They are modular and are made up of two parts, a Power Module (HB3x0W) and a Lens (HBLxW), sold separately or in prepackaged combinations.These components are designed to work as a convenient system. Different models offer a choice of coverage patterns for a range of applications.