... 4.Base:E27, E14, B22 5.Lifetime:6000-10000hr 3U energy saving lamp description:1.Tube Diameter:φ7mm,φ9mm,φ12mm, Power:9W,11W ... Factor:0.55-0.989.Average Lifetime: 6000hrs,8000hrs,10000hrs No.Watt (W) Lumens (Lm) Base Voltage (V) Color Temperature (K ... >80 8000 Features:1) Small size, quick start, no flick2) With excellent 80% energy saving3) With tri-phosphor powder of light tube4 ...