Energy-saving high bay lights are ideal for commercial ceilings of 15 to 50 feet. Dauer high bays cast a productivity-enhancing light and reduce cooling costs. Die-cast aluminum housing with white finish. Installs with hook or conduit pendant. 120V-277V. 100 or 180 watts, replaces 250- to 400-watt metal halide fixtures. 5000K (cool light). UL listed.