Worldwide Lighting's UFO LED High Bay hanging light series is the latest in commercial LED technology. IP65 water resistant rated for indoor and outdoor applications, this fixture is ideal to easily replace standard linear high bays for warehouses, manufacturing plants, garages, gymnasiums, workshops, supermarkets, storage yards and other large industrial and commercial spaces. The innovative and patented optical design for high lumen efficiency minimizes glare while optimizing the lighting performance and distribution. The rugged premium metal construction coated with black anti-corrosion coating, clear poly-carbonate lens and high-quality, energy-efficient LED driver to ensure more than 50,000 hours of continuous operation, saving you thousands on energy and maintenance costs. At 150 LM/W, it meets all the Design Lights Consortium (DLC) requirement to qualify for energy-rebates from DLC Member Utilities. Compact design at less than 12 inches in diameter, it can be easily mounted with a suspension cable or pendant by the commercial-grade metal ring bolt attachment. Cosmic Lighting's UFO LED High Bay hanging lights come in a range of wattage to address individual project needs. Material: Acrylic.