1.t5 ballast 54w 2.CE,CB,SAA,Nemko,ROHS,ISO9001 approved 3.OEM,high quality 4.PF:0.98,THD:15% 5.Voltage:120V or 230V electronic t5 ballast 54wFeatures of electronic ballast: 1.Apply plug- in wiring terminal, convenient installation. 2.Long life low current wave peak 3.High Power factor 4.Low Total Harmonic Distortion,low lamp current crest factor5.EMC effection:Pass, 6.Comply to EN 61347-1,EN ...