... red, yellow, orange...(RGB color LED letters with programmable controller for option)4. Inner high quality waterproof led strip( with CE & ROHS certificate ... of light with unique light absorption layer 7. Feature: ametabolic,waterproof ,fireproof ,corrosion resistance,fastness8. Intensity: between -20°C and ... patterns are customized,also it is optional. Sparkling 304# stainless steel backlit led sign