... base: E27/B22/E14 Optional Color Temperature: 2,700K/4,100K/6,500K 100% Tri-color componentsPBT/PC materialAverage lifetime 8000hoursFeaturesMore ... compact structure, cuter appearance High light output and excellent color rendering Dramatic energy saving and longer life Flicker free ... lamps, supermarkets, restaurants, shops, hotels etc. 100% tri-color material 8000h lifespan energy saving light bulb