... quality Luminous Letter / LED Sign letter / Advertising sign Used of shops, hotel, hospital, school.Waterproof, high quality1. Material: acrylic, resin, metal2. Dimension: ... source: LED light, low power consumption4. Fashionable, slap-up5. Acrylic lamp houses shop signs feature resistance to pressure, acid and ... easy to install8. Widely used outdoor and indoor Acrylic Advertising Sign Letter Display