... is use special acrylic material makes the sign more transparent. We can offer you Back-light and Front-light illuminated sign with stainless steel ... chip LED modules,Super brightness,Light uniformity> Available emitting colors with Green,Blue,Red,White,Amber,RGB full color> Extruded ... Minimum letters height 100mm> Finished colors:Green,Blue,Red,White,Black options> Long expected lifespan,Up to 50,000 ...