1.Material:Aluminium body,nice appearance.2.Adopt high quality ballast3.High power factor (PF>98%),low THD(<15%)4.Use tri-phosphor powder fluorescent lamp,more bright,hige efficiency5.No noise,no flicker,low work temperature,low power consumption6.Long lifetime>10000,20000 or 30000hrs,energy saving up to 45% more than T87.Installation:ceiling & wall mounting,series connection8.The factory has the certificate of CE,ROHS,CCC and promises that we will exchange the bad quality goods which can't run one whole year under the normal working conditions.We can also promise two or three years.Application:Factory,shopping mall,super market,show case,hotel ,office etc.