... emitter for high luminance>80Lm/W.LED ceiling light is distributed evenly,CRI>80. 10W/15W/20W LED Ceiling LightFeatures include:1. High luminous ... incandescent and halogen, LED will save 85% energy and 50% than energy saving lamp.5. Green and cleanCold light source design, non ... of cutting hole 2'', 2.5'', 3'', 4'', 6'', 8'' can replace the traditional down light directly, unnecessary to cut new ...