120~277VAC or 220~480VAC. Optional 0~10V Dimmable. Optional Photocell Socket. Long Lifetime, L70>50,000 Hours. Instant On, No Flicker, Mercury Free, No UV. High Efficacy, Up to 130 Lumens Per Watt. Glass free for safer working conditions. Mounts to Square Poles, Round Poles, or Walls. Operating Temperature from -40°F to +122°F. IP-65 Rated for Wet and Humid Environments. 7-Year Manufacturer’s Limited Warranty.