... .Ballast: electronic 3.90V-240V,PF>0.95 4.retrofit to T8-20W 5.Warranty:3 years Cold Cathode Fluorescent Lamp ... : > 70 Lm/WCRI: >90 RaBrightness Decay: Less than 2% in the 10,000 HrsIngress Protection Rate: IP20Color Temperature: 2700/4100/6500K ... in initial 10,000 hours;6. Dimmable design, easy installation to replace the traditional T8 20W directly ;7. Eco-friendly, lamp using lead ...