GV 2x2 BACKLIT Panel (100-277V), Variable Power and Variable CCT, 0-10V DIM PACK OF 4 PANELS ABOUT GreenerVolts LED Panels 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: 3500k/4100k/5000k High quality dimmable LED driver, enclosed in its own junction box Back-Lit design provides uniform light dispersion at 120 degree angle 5-Year Warranty - CE, RoHS, UL, DLC listed SPECIFICATIONS INPUT POWER: 20/25/30/36/40 (Adjustable) LUMENS OUTPUT: 2200-4400 lm EFFICACY: ~110 lm/w CRI: >= 82 COLOR TEMPERATURE: 3500K/4100K/5000K (Adjustable) INPUT VOLTAGE: 100-277 VAC FINISH COLOR: WHITE FRAME BEAM ANGLE: 120 DEGREES OPTIONS: EMERGENCY DRIVER DIMENSIONS: 23.74” L X 23.74” W X 1.77” H (INCLUDING DRIVER BOX)