acrylic backlit led letter 1.304 stainless steel 2.Waterproof LED Module 3.CE/RoHS certification 4.Easy install acrylic backlit led letter Product's featuresMaterialFront and sides: High grade stainless steel, no rust and long lastingBack: Acrylic(PMMA) plateProcessingVia laser cutting, polishing, painting & assembly by experienced senior technicianLighting SourceLED Module built inLED ...