Brandon LightingLED troffers can be installed in 2x2 2x4 ceiling grids by recessed mount. Lay-in LED troffers are ideal replacements for traditional fluorescent troffers in new or remodel construction.LED troffers are energy-efficient lighting solutions for offices, schools, hospitals, and retail. LED panels have high efficacy and better color-rendering than traditional ceiling panels.And have long life and high lumen maintenance.● Wattage:25w/40w/50w● Input Voltage:AC120-277V/AC347V ● Efficacy:125lm/w● CCT:3000K/4000K/5000K● Mouting: Recessed● Option:Dimmable,Emergency,Sensor● Certification:UL, cUL,CE,DLC ● Warranty:5 years