the main raw material is light-induced energy storage luminous, light-induced energy storage luminous after the phosphor is subjected to natural light, fluorescent light, ultraviolet light and other radiation, stop light irradiation, In fluorescence way slowly released, so at night or the dark, still see the light, lasted for several hours to ten hours. so that buyers receive the product, try sticking it absorbs light, do not have something hidden. to light after a luminous effect, the more light absorbed, the longer!
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