Watt: 6W,8W,12W,16W,20W,22W,24W,26W,28W Color temperature: 2700K/4000K/6400K Features: 1. Using triphosphor fluorescent poswer,CRI up to above 82,small color tolerance,efficiency of lighter higher than T8 and T5 tubes. 2. Daylight, coolwhite, and warmwhite are optional for differenct requirement on color temperature. 3. Advanced water-powder coating technology, which increases efficiency of light and reduce light discrepancy, 4. Small tube diameter of 12.5mm,good lighting effect and more facilitate to environmental protection and energy-saving. 5. Using special structure of filament, longer tube life. 6. High lumen retaining rate. 7. Plastic lamp holder bring higher safety. 8. Suitable for illumination in household rooms, offices, department stores, hotels, restaurants, etc. 9. Customer design is available.