This 8 inch framein kit is designed for new construction and remodeling in existing ceiling. Comes with Solid State LED Panel and Aluminum Cast Heat Sink in concealed Reflector or Baffle for cutoff. The Electronic Driver in heat sink can be easily replaced from below the ceiling. Designed for long life operation. Total 2500 lumen output for 120 inch beam spread by 30W LED is equivalent to light output from Max. (2) 42 PL or 150W/ED or PAR38 Lamps.