1.the lamp body is a die cast of aluminum alloy 2.the lamp reflector is a cast of stretched high purity aluminum 3.its diffuser is made up of high-strength prism polymerized carbon fiber and of high diffusion 4.top-open design is easy for changing light sources and maintenance:electrical parts are installed inside 5.all stainless steel accessories 6.distributed light source:70w-150w 7.installation height:3m-4m