... Range50-60HzLED Optical Effeciency90LM/WLuminuous Flux270LM(5600K)Color Temperature(CCT)R,G,B,CW,WWColor Rendering Index(CRI)Ra>70Distribution CurveWide Light DistributionBeam ... the halogen, incandescent and fluorescent lamp directly; High brightness efficiency, up to 90LM/W, various color temperature optional, High Color Index, Nice Coloration; Have a number ...