High-power LED bulb is also a kind of LED, relative to the small power led, high-power LED bulb power higher, brighter, higher prices. Small power LED bulbs are rated at 20mA, rated current higher than 20mA can basically be counted as high power. General power number: 0.25w, 0.5w, 1w, 3w, 5w, 8w, 10w, etc.. The main brightness unit is lm (lumens), currently as an emerging green, environmental protection, energy-saving light source is widely should.
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