... .Material:aluminum body with PC cover2.Adopt high quality ballast,comply with 3C,CE standard;can pass ... High quality:PF>0.99,THD<10%,Usual quality:PF>0.95,THD<30%4.Use tri-phosphor powder fluorescent lamp,more brightness,high ... series connectionApplication: Industrial lighting, House lighting, shopping mall,refrigeratory,show case,hotel,office etc T5 Batten fixture with high quality electronic ballast