The HBP Series high Bay™ passive Infrared (PIR) occupancy sensors provide automatic control of individual LED and fluorescent lighting fixtures in warehouses and other indoor high and low Bay™ spaces. The lens is engineered to provide reliable coverage from a wide range of mounting heights (15 to 40 ft) and coverage can be masked for aisleway applications using a snap-on accessory (included . A hold off daylighting feature keeps lighting off when the ambient light level is above the selected threshold. Time delay and light level settings can be adjusted via function-specific trimpots.