... PF>99%,THD<10% 4.Energy saving to over 40%, 25000hrs T5 adapter1.T5 adapter Power 14w,21w,28w,35w,54w2.T5 ... Short reflector; Without reflector;4.T5 adapter Features a)Energy Saving It saves energy over 45% than traditional fluorescent lamp b)High ... Cool White,DaylightColor Temperature 2700k,3000k,4000k,6400kBeam Angle 45°/90° degrees CRI >82Mechanical Data Light Type T8-T5 adapterDimension600mm ...