1,High brightness, well consistency, 2,high quality, green production. 3,low light decaying 4. usage: led display screen ... 4) Emitted colors: arious colors are available, such as red, green, blue, yellow ,amber etc 5) Lens type: Water clear, diffused ... 10) Maintenance free, easy installation 11) Long lifespan: 50000hours 546 green led light for led display screen