... *28w,2*28w double fluorescent lighting fixture Power: 2*28w,2*35w,2*54w Features: 1.Material:Aluminium body with PC cover or Grid ... ,comply with 3C,TUV-CE standard 3.High Power Factor(PF>99%),low THD(<10%) 4.Use tri-phosphor powder fluorescent lamp ... to 45% 7.Installation:Ceiling mounting, series connection Application: House lighting, shopping mall,refrigeratory,show case,hotel,office etc