EnviroLite LED troffers are the perfect solution for grid ceiling lighting needs. This 2 ft. x 2 ft. Volumetric LED Troffer creates balanced illumination throughout the environment, providing ample, even light distribution for work areas. These ceiling lights create a productive, comfortable atmosphere through enhanced light quality and distribution. These light fixtures are designed to save energy, lower maintenance costs and are ideal for offices, schools, retail spaces and hospitals. The integrated LED light source uses 30% less power to produce the same amount of light as fluorescent Lamps. The LED light source is built into the troffer; you don't have to replace bulbs ever. Because it's LED, you will never hear the hum that fluorescent fixtures make. This commercial lighting troffer provides cool white 4,000K CCT light and is compatible with 0- to 10-Volt dimmers. The sturdy frame is easy to handle and installs directly into a grid ceiling using the built-in T-bar clips. EnviroLite commercial lighting troffers are built to last for 50,000 hours and come with a 5-year warranty. These troffers are DLC listed to qualify for commercial lighting rebates and special incentives in certain areas. Designed to fit easily into commercial lighting grid ceilings; 120 to 277 multi-volt input ; Easy to install with built-in T-bar clips ; LED light source uses 24.5-Watt and produces 4,000K (cool white) light at 2,200 Lumens ; Dimmable LED ; 50,000-hour LED life with 5-year warranty ; Noise-free, maintenance free ; UL, IC rated and suitable for damp locations ; DLC listed to qualify for utility rebates where available^^SPECIFICATIONS ; Bulb Type Included: Integrated LED ; CRI: 81 ; Kelvin: 4000 ; Color Temperature: Cool White ; Lumens: 2200 ; Watt Equivalence: 64 ; Dimmable: Yes ; Fixture Color: White ; Replaceable LED Module: No ; Connection Type: Hardwired ; Hardware Included: Yes ; Height: 4.1'' ; Length: 23.77'' ; Width: 23.77''