Recessed LED down light,10W/15W/20W,6 inches hole,LED multi-chips integrated emitter,CRI>85. ... can meet requirement for Museum, Exhibition Hall, stage setting etc.4. High energy savingCompared with incandescent and halogen, LED will save ... pollution elements, environmental protection.6. Universal standardStandard size of diameter rate of cutting hole 2'', 2.5'', 3'', 4'', 6'', 8'' can replace the ...