... , 110V/120V/220- 240V.50/60Hz,pre-heating and EOL function B) TUV Standard, PF≥0.97, THD<15%, life time ... to T8 lamps.5, Good Color Rendering Index6,Pre-heat function: make the T5 tube long life time7, No flicker, near ... ,house, project energy conservation improvement and so on T5 wall lamp fixtures built in EB 6w/8w/13w/14w/21w/28w ...