T8 4 FT 20 w NA LED ???? ???? ???

????????????? t8 4 ft 20 w na led ???? ???? ??? ?????????? t8 4 ft 20 w na led ???? ???? ???????? ????????????????????????.Prudoct ?T8 4 FT 20 W NA????306????100 ~ 277VAC???50/60 HZ??> 0.95????G13??????/???/????? ??????3000 K4000 K ~ 6500 KLumens(typical)2000LM2200LMDR.=82SDCM=5.0THD< 18%?????180 °?????:1. to100lm/w???????? 87% ???50% ???????2. ????????????????????;3. ?????????????????? Robycon ?????????????????????????????.4.UL/cUL?FCC?RoHS ??.??;
Website:http://www.alite-led.com
T8 4 FT 20 w NA LED ???? ???? ???