Using 66% less energy than 400 W metal halide high bay but with equivalent light output, 158 W LED High Bay is suitable for illuminating large indoor areas such as retail stores, warehouses, and sports facilities. LEDs used in luminaire are rated LM70 at 100,000 hr. With instant on/off capabilities, high bay is compatible with occupancy sensors. Dimming for applications such as daylight harvesting is available as option.