(case of 4) LED Flat Panel, 2FPZ30L850-4-DS-UNV-DIM High efficiency Advance driver featuring high power factor (>0.90), 120-277V 60/50Hz, and less than 15% THD. Backlit LED arrays with optics provide highlyefficient and unpixelated transfer of light to the lens. 3 inch overall depth, including driver box (see diagram) 5000K Color Temp, 24 watt, 3000 Lumen Output, Universal Voltage, 120-277v Electromagnetic interference (EMI) compliant to FCC Title 47 Part 15 class A Designed for use with standard Grid (NEMA 'G') or Narrow Grid (NEMA 'NFG') ceiling T-bars. Drywall or plaster application require use with the FMA24 'F' mounting frame accessory (sold and shipped separately).