... ,Power :50W 2,Luminous Flux:4000LM 3,Life:50000H 4,Light Color:R,G,B,Y,CW,WW 50W cree led ... , good thermal conductivity 1.4,Use reflective aluminum with optimized light to enhance the utilization of light 1.5,According to ergonomic principles ... , optical diffusion plate pole, pull out the light efficiency and the evenness of light to achieve a reasonable balance 1.6, Use ...