... DetailsParameter:1,character height: 2.3inch 24digits ,6digits/line2,led clock Frame: Aluminium4,Faceplate: display window cover red PVC glass5,operation ... , Display usage: Total 24digits,2.3inch height character 2, Frame: Aluminium3, Faceplate: Display window cover glassTechnical norms1,power supply ... line photoCertification Product photo alibaba express custom Production line led board with CE ROHS