... shops, hotel, hospital, school. Waterproof, high quality Luminous Letter / LED Sign letter / Advertising sign Used of shops, hotel, hospital, school ... metal2. Dimension: various size available and customized welcome3. Light source: LED light, low power consumption4. Fashionable, slap-up5. Acrylic lamp houses ... easy to install8. Widely used outdoor and indoor Acrylic Advertising Led Sign Letter Display