This series of High Bay Passive Infrared (PIR) Occupancy Sensors consist of two components. These components were developed to work as a convenient system and include both sensor and lens modules. HB3x0B-Lx PIR occupancy sensors are designed for automatic lighting control in warehouses and other indoor high bay spaces. The lenses are specifically engineered to provide reliable coverage from a wide range of mounting heights. 40’ diameter coverage from 20’ height, 24VDC (300B-L3)