... Lights?1. Energy EfficientFor same illumination, LED panel lights consume only 50-60% of CFL lamp.All light goes downward, no waste ... is No delay or glare like traditional CFL or fluorescent lamp.6. Super SlimThey are only 13mm thick, easier for ... intensive working and operation, etc.Natural White, 3800-4800K - for reading, studying, etc.Warm White, 2700-3500K - for relax, entertainment, etc ...