... Advantage:1, Adopted imported CREE/Samsung LED Chips, the luminous efficiency is over 90lm/W.2, Unique light sources and structural design, ... 3, Professional LED drive IC Built-in , make products more stable and long life span.4, Use AL6060 T6 (fully aluminium) ... as the material of heat dissipation, utilize advanced and very reasonable heat dissipation, that will keep our lights ...