A light bulb without electricity?

This gadget provides light without electricity use. He is charged by means of daytime sunlight to which he in the night light will give attractive. The sunlight, the glow-in-the-dark peer absorbed. Solar energy is very durable and is the way of energy of the future.
This product is energy efficient and environmentally conscious. Daytime sunlight is always available, so will the Glow Brick night always works.