The HBLH Classified LED High Bay is designed to efficiently light classified areas in heavy industrial settings and warehouses. Class 1, Division 2 - Groups A, B, C & D. High performance LED design delivering up to 100 lumens per watt. Specialized thermal management allows from -40?C to 55?C ambient temperature ratings. LED count ranges from 72 to 60 to 48 and all three LED counts are driven at 700 mA. 5000°K Color Temperature.