Heat dissipation technic of die-casting aluminium heat sink with heat pipe Secondary optical design and no glare processing ‧Using the heat dissipation technic of die-casting heat sink with heat pipe, greatly reduce the heat generated by the LED when it works, so as to prolong the lifespan. ‧Comply to environmental protection and energy saving regulations, no lead or mercury, low temperature ‧Using LED to save electricity 50%_70% than traditional lights.