Durability and Beauty -- for Indoor or Outdoor The Resin Casting sign is using new kind of liquid plastic material, cast with LED light into metal made letters housing, which emit a beam of light at the certain angle into the solid resin, reflect and refract to give off a vivid color mixed light source through resin, it make the sign with soft and elegant colorfully magical vision effect. The ideal applications are for company logos and signs. Specifications: 1. Input 24 VDC. 2. Colors: Red, Green, Blue, White, Yellow, and Custom PMS matching colors. 3. Light Source are super bright min-LED 4. Power rating : 20 mA per LED. 5. Life-Span: 100,000 hours