... t5 electronic ballast 54w electronic ballast Power: 14w,28w,35w,54w,2*14w,2*28w,2*35w,2*54w electronic ballast Features: 1.electronic ballast ... High Power Factor(PF>95%,THD<30%) 2.electronic balalst Low harmonic, ... start,no flicker 3.electronic ballast Protection for high voltage and high current 4.electronic ballast Comply with 3C,TUV- ...