Philips "super light bulbs" : the world's most energy-saving LED light bulb
Datum:2011-08-15 15:27
t power consumption, use life 1500 hours), can maintain and common bulb the same illuminance. Although 2012 years after the initial price in market in 30 euros for about 10 years, but manufacturer is expected to drop to the initial price can be a quarter of the price.
We can understand the calculation by the following the important significance of new products to sell 425 million each year in the United States: a 60 watt bulb, so using the new super light bulb replace these common bulb means
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