... 95% 3.Good heat sink 4.Energy-saving aluminum LED street light housingEnergy-saving,good heat sink,no noise, no stroboflash, no ... , low heat, and high-brightness,environmental friendly.Body:Die-cast aluminium body with high strength, compact structure and smooth profile.protect ... diameter in the ground is accord with the standards for street light.Long lifespan: over 50,000hours in normal use,10 times ...