Usage:Indoor Tube Chip Color:White Display Function:Display Pixels:20mm Common Size:A0-A4 Thickness:20mm Overall Size:The size can be customized Frame:Optimal aluminum alloy frame Cover panel:AAA degree of acrylic panel Acrylic of degree:AAA and import Technology:World's leading 3D laser engraving technology LED source:High brightness SMD2835 Kelvin:5000K-6000K Color:Silver black