... : housing made of high-pressure cast aluminum to dissipate heat in an effective way;Glass:tempered glass is 8mm and its ... heat body:made by anodizing high purity aluminum;Water proofing tie-in: nickeled and coppered waterproof cable connector, silicone seal ,temperature resistant ... ST Drive IC.5. We only use top LED chip in the world such as Bridgelux ,Cree , Osram, Samsung, Everlight, to ...