Recommended uses: Warehouses, manufacturing facilities. High to low-bay applications. 8,000lm to 48,000lm configurations up to 150 lm/W. L70+ rated performance for 50,000 hours. 2-foot or 4-foot lengths, two or four LED rows. Painted white or galvanized steel housing. Numerous mounting capabilities: chain, aircraft cable, V-hook, surface. Quick-access plate. 0-10V dimming capable (DALI option).