1. Real power: 85% 2. Lamp tube: 1 year warranty 3. certificate: CE, ROHS, UL, ETL, Specifications High quality low price spiral energy saving lamp 1. Real power: 85% 2. Lamp tube: 1 year warranty 3. Certificate: CE, ROHS, UL, ETL, High quality low price spiral energy saving lamp1. Volt: 110V-240V 2. Watts: 18W/20W/23W/26W3. Life time: 8,000-10,000 hours4. Color temperature: 2700K-6300K5. Color ...