Q:Why the actual power consumption is less than the power in the list?
A:As is known to all that although 3W chip can reach the electric current limit as high as 700mA, but authoritative test proved that optimum luminous efficiency is available when electric current reaches 550 ~ 600mA, thus 700mA not only wastes more power energy, but also do not generate more lights; We use power supply (PF=0.98) of high efficiency, it consumes much less power, thus the actual power consumption of our LED aquarium light is much lower, however, it won't put any side-effect on the luminous efficiency and high brightness but it saves big buck on electricity charge.
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