This 4U energy-saving bulb is professionally built for high performance. The bulb offers a stable brightness for long hours. Wee-equipped, the fluorescent bulb offers a long service life. 

• 4U T2 lotus-shaped energy-saving bulb.
• Power: 9W, 11W.
• Base: E27, B22, E14.
• Lifespan: 8,000 hours.
• Luminous flux: 450lm, 500lm.
• Diameter: 45mm.
• Base width: 41mm.
• Base height: 50mm.