... EXCELLENT HEAT DISSIPATION 4,WITH CE,ROHS,FCC APPROVAL Strong illuminous LED lighting Characteristics1, Die Cast aluminium alloy housing ... and aluminium PCB with excellent heat dissipation.2, Light sources are optional. (CREE, Osram, Everlight, Lumileds, Edison and etc ... for 2700K-3200K and 5500K-6000K are availableSTRONG ILLUMINOUS LED LIGHTING WITH CE,ROHS,FCC APPROVAL. STRONG ILLUMINOUS LED LIGHTING