... Lifetime:6000-10000hr 3U energy saving lamp description:1.Tube Diameter:φ7mm,φ9mm,φ12mm, Power:9W,11W,13W,15W,18W,20W,25W2.Input voltage/Frequency ... Factor:0.55-0.989.Average Lifetime: 6000hrs,8000hrs,10000hrs No.Watt (W) Lumens (Lm) Base Voltage (V) Color Temperature ( ... 240 2700-6500 >80 8000 Features:1) Small size, quick start, no flick2) With excellent 80% energy saving3) With tri-phosphor powder ...