... available 4. Long lifespan: 50, 000hours at least 5. Maintainance free, low cost to use 6. ... CCC,UL approved Specifications: LED type: SMD LED ModuleAvailable colors: White, Red, Yellow, Green, Blue.Viewing angle: 120 degreeLuminous flux(lm): ... letters, backlighting, outdoor 5. Advertisement signbox backlighting 6. Advertisement billboards backlighting 7. Digital LED colorful characters, spurts draws ...