... .99, THD<15%, life time is 30,000h, 110V/120V/220- 240V.50/60Hz,pre-heating and EOL function B) TUV Standard, PF≥0 ... .97, THD<15%, life time is 20,000h, 220-240V,50Hz C) Ordinary Standard, PF≥0.95, THD<30%, life ... , PF≥0.55, life time is 15,000h, 110V/120V/220-240V.50/60Hz 5,Lighting Source-T5 pure tri-phosphor tube,Ra≥82 ...