Exceptional brightness and uniformity is achieved with the use of diamond polished lenses, very high quality LEDs and balanced optics. Only four LEDs are used per face, resulting in the lowest power consumption of any edge-lit sign. Solid extruded aluminum trim plate, with satin anodized or baked enamel finishes. Custom metal anodizing, paint finishes & custom graphics available, as well as custom illumination colors for specialty signs.