... and solid mecury,high efficiency,friendly environmental,long lifetime t5 fluorescent Power: HE series:4w,6w,8w,13w,14w,21w,28w,35w ... HO series:24w,39w,54w,49wFeatures:1.Material:Aluminium body or Plastic ... ,>8000hrs,energy saving up to 45%7.Installation:Ceiling mounting, series connectionApplication: House lighting, shopping mall,refrigeratory,show case,hotel,office ...