back lit self contained letters 1.Great luminance 2.High effectiveness 3.Energy saving ,Safety ,and Longevity 1.Product Parameter back lit self contained letters Product BrandTop CraftsmanPlace Of OriginDongguan China(Mainland)Material and making process AcrylicLight SourceSMD 3528 ledShape customizedOperating PowerDC12VColorcustomizedLifespan>50,000HrsSizesCustomizedEach Lamp Power0.1WWorking ...