LED street light technology has matured
Date:2011-06-14 14:21
Status:Close
Question:admin
of margin, we set standards for products to thousands of small-time decline of 5 to 2.5%, such as the addition of light to push 50% effective life span will be 10 million hours, 70% of the light effect life expectancy of 6 million hours.
However, whether it is in accordance with the 50% or 70% of life is not important, in fact, is the most scientific methods used in many countries is to maintain the intensity of not less than the standard required to maintain illumination of life prevail. Such
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