12 Inch Glow In The Dark Wall Clock for Bedroom/Living Room/Kitchen/Office Decor
When using it for the first time, Simply expose the wall clock to a bright light or sunlight for 1-2 hours, then see the magic in the dark. The more sufficient light energy is absorbed, the better the luminous effect will be.
With the release of energy, the brightness of the luminous light will gradually weaken until it is dark for about 4-6 hours, It will be recovering strong bright after absorbing light source again.