ETI 54320142 Dimmable Integrated LED Flat Panel Troffer, 2' X 2', 4000KHighlights: 100 277 VAC 80 CRI Damp location rated DLC listed Multivolt Uses only 40 Watt of energy Generates 4000 Lumen 0 Volt to 10 Volt dimming 50,000 hours rated lifetime 4000 Lumens of brightness and 4000K bright white light, dimmable Compatible with battery back up Produces a gentle and uniform luminance offering state of the art energy efficiency that is environmentally friendly Low profile flat panel, constructed from high quality aircraft