ETL Listed 150W Dimmable LED High Bay Shop Light,Works From 110V to 277V,600W HPS or MH Bulbs Equivalent,Great Warehouse Garage Shopping Mall LED High Bay Lights(150 Watts) Energy savings of over 60%! 110lm per watt.150W=16500lm,Cut your electric bill in half from using standard 600watt high bay lights. Dimmable from 0-100% by a 0-10v wall dimmer.Best quality LED light using Philip SMD5630 and bright cool white light.Works 110v 220v 277v 305v. Ideal for Commercial or Industrial use. Use in your Warehouse, Supermarkets, Furniture Store, Garage,etc. LED High Bay Lights are perfect for your Site / Warehouse / Garage provide a huge cost &amp; energy savings a major way for communities and industrial complexes with minimal to no maintenance costs with our up to 50,000 hour lamp life. All of our UFO led high bay light are ETL listed so security performance is guaranteed.120-277V 5 year warranty 60000 hours.IP65 Rating means this fixture can also be used outdoors. Open Heat Sink design prevents build up of dust.