Lifetime up to 8,000 hoursHigh lumen efficiency High stable perfomance with mature technology 80% energy saving, compared to incandescent bulbSeveral wattage availalble: 15, 20, 26, 30W Tube: T3Dramatic energy cost saving and long life E14, E27 available ColorTemp.(K):2700-6500;Votage (V): 220-240CRI: ≥80