GV 2x4 LED Volumetric Troffer (100-277V), Variable Power (25, 30, 35, 40, 50W) and Variable CCT (3500, 4000, 5000K) - 0-10V DIM PACK OF 2 TROFFERS ABOUT GreenerVolts LED Troffers are the perfect solution for replacing existing fluorescent tube troffers or for new construction. They are ideal for tile ceilings, but can also be suspended on their own. Great solution for office and industrial environments, providing a clean, evenly distributed light, and blending seamlessly into existing ceiling grids. Beautifully slim, brilliantly efficient. Power and CCT adjustable! FEATURES Aluminum frame with seamless corners is sturdy and prevents light leakage Thin profile allows more flexibility with HVAC ceiling ductwork Optional emergency backup option includes Ni-MH batteries that allow up to 500 charge-discharge cycles, and up to 8-10 years of battery life. Adjustable CCT: 3000k/4000k/5000k High quality dimmable LED driver, 0-10 Volt dimmability Center-Lit design provides uniform light dispersion at 110 degree angle 5-Year Warranty - CE, RoHS, UL, DLC listed SPECIFICATIONS INPUT POWER: 25/30/35/40/50W (Adjustable) LUMENS OUTPUT: 5200-6500 lm EFFICACY: ~130 lm/w CRI: => 80 COLOR TEMPERATURE: 3500K/4000K/5000K (adj) INPUT VOLTAGE: 110-277 VAC FINISH COLOR: WHITE FRAME DIMMABILITY: 0-10V DIMMING BEAM ANGLE: 110 DEGREES OPTIONS: EMERGENCY DRIVER DIMENSIONS: 23.74” L X 47.76” W X 1.8” H (INCLUDING DRIVER BOX)