... ultra bright LED street light 1,Long lifespan, energy saving,eco-friendly . 2,CE,ROHS. 3,High luminous flux ultra bright LED street light ... balance before delivery 1,We supply many kinds of LED lamps with different light outputs. All ... waterproof which does not affect the light output.5,Long lifespan: life is ... consumption. We make detailed calculations for optimum light output .And, we can make products ...