In our impression, electricity is not drink water contact, it will bring great risk. But a foreign designers, he designed a led light plate graffiti wall, as long as you water come into contact with these led lights, can lighten them. In the electronic board was full of thousands of led lights,and then water lit them, are free to light the lamp, forming different pattern. Namely whether water jet wet dishcloth or hand can be unrestricted creation, how to do it will not get an electric shock.