What is CRI?

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CRI abbreviation means “Color Rendering Index”.  Whereas lumens is a measurement of the quantity of light, CRI is the measurement of the quality. It is a scale between 0 and 100. 0 is bad, 100 is great. LEDs are typically in the 70-95 range. The higher the CRI, the more expensive the LED chip, and therefore the more expensive the product itself.