When You Want To Keep Shadows To A Minimum, These Edge-Lit Panel Lights Provide High Performance And Versatility. Producing 4000K Of White Light, These Panels Provide Bright Illumination You Need While Dimming With Ease When A Softer Touch Is Required. They Generate 3600 Lumens For Only 36 Watts Of Energy, Providing A 75 Percent Energy Savings Over Traditional Troffer Fixtures. Better Yet, They Can Be Used In Damp Locations. These Panels Come In Packs Of Two, Offer A Five-Year Limited Warranty, And 50,000 Hours Of Life.