4 inch plasma ball light ( factory sealed ) Passed CE,LVD,ROHScerificate Product ... , 5 inch, 6 inch,8 inch 4 inch plasma ball lightPassed GS ,CE,LVD,ROHS cerificateProduct size :4 inch , ... of your voice or your favorite song. 4" Ball.Light up your room or just decorate your computer ... excitement of the dancing currents of the plasma ball! A 4" ball sits atop a black base. Colorful currents attract ...