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With the company's independent intellectual property rights design and formal chip design, the daytime type, night type and rhythm regulation factor are integrated into the same COB package device. With the external circuit, it can realize the multi-function of one lamp, which is more healthy and more human. The color temperature is adjustable from 2200-5000K, and the color development index Ra: 80+/90+/95+ is an innovative flagship product in the field of human factors lighting.