It can glow in the dark 20 minutes ~ 6 hours after absorbing sunlight or visible light in 10~30 minutes; the longer time it absorbs light, the longer it glows.
It will be Natural light, not glow as the lamp.
White, ...

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Product Review

It can glow in the dark 20 minutes ~ 6 hours after absorbing sunlight or visible light in 10~30 minutes; the longer time it absorbs light, the longer it glows.
It will be Natural light, not glow as the lamp.
White, yellow and green color has better glow effect in the dark; As pink color and blue color's natural characteristic, they are not as bright as other colors.

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