gold plating led backlit letter sign 1.Great luminance 2.High effectiveness 3.Energy saving ,Safety ,and Longevity gold plating led backlit letter sign 1.Product Parameters Product BrandTop CraftsmanPlace Of OriginDongguan China(Mainland)Material Acrylic,Metal(Stainless Steel,Iron,Acrylic,Customized)Light SourceSMD 3528 ledShapeCustomizedOperating PowerDC5V/12VColorCustomizedLifespan>50, ...