Euri 2x2 LED Troffer is an affordable way to upgrade the look of any office with super efficient LED technology. It only consumes 34 Watts of power yet delivers light output equal to 3 lamp T8 or T12 2x2 fluorescent troffers. The Euri ETF22-1040S is compatible with 0-10V dimming systems for ultimate lighting control. 4000K neutral white color appearance is perfect for all office and commercial settings. Best of all, with a 50,000 hour rated life, the ETF22 series allows for well over 15 years of use in normal 8 to 10 hour a day operation.