Lamp bead Cree quality is good.
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Temperature: Cree chip is 5-6 degrees Celsius higher than the outside temperature,
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Luminous efficiency: the same power Kerui light energy is 90%,
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Lumen: Cree is 140-160LM
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Founded in 1987, Cree is a publicly traded company in the United States, and is a manufacturer and industry player of LED epitaxy, chip, package, LED lighting solutions, compound semiconductor materials, power devices and RF.