... years 4.very easy for installation Description:advertising resin led lighted words 1.resin material 2. Laser cutting ,smooth line;3. ... LED (with CE/UL/ROHS certificate), over 50, 000 hours guarantee;5. Uniform lighting, different light color every back of the letter ... 10. Back screw rods fixing Application: This kind of advertising resin led lighted words for: Shops, business, hotel, auto dealers, ...