Advantages: 1.No driver ,Constant current 2.High Quality LUMILEDS LEDs With Low Lumen Decay 3.Anti - surge 4000v 4.Slim,thin,mini,Save your freight 4.Billboard optimized light distribution,Excellent Heat Disspation Ability And Stable Quality Application: 1.project lighting,IP65 2.For square,residential area,industrial area,schools,commercial lighting etc. 3.replacement for sodium lamp Options: -Color Temperatures:5500-6000K/2800-3200K -Power:30w,50w,70w,110w,220 -lens cover:Aluminum Reflector,PC Reflector