... 2,high quality, green production. 3,low light decaying 4. usage: led display screen Model: MSP-L5462RDL-009 (Red ... colors: arious colors are available, such as red, green, blue, yellow ,amber etc 5) Lens type: Water clear, ... Viewing angle: 15-30-45-60 degrees 7) Low light decay: 10% of first 1000 hours 8) Solid- ... , easy installation 11) Long lifespan: 50000hours 546 blue led light for led display screen