energy saving lamps Best quality up to 10,000 hours lifespan Competitive price. ... :7-105W2. Operating voltage:110-130V or 220-240V3. Frequency: 50/60Hz4. Average lifetime: 3000hrs, 6000hrs,8000hrs,10000hrs and so on ... Color Temperature: 2,700K/4,100K/6,500K Energy Saving Lamps full sprial cfl