... .PF>99%,THD<10% 4.Energy saving to over 40%, 25000hrs T5 adaptor 1.T5 adaptor Power 14w,21w,28w,35w,54w2.T5 ... 2.5 years Power Factor0.99Optical Data :Light Color Warm White,Cool White,DaylightColor Temperature 2700k,3000k,4000k,6400kBeam Angle 45 ... ,1500mmBase Type G13Housing Material AluminumApplication Environment Indoors Use Only T5 adaptor( white epoxy)