... ensure long life-span essentially The advantages of perimeter advertising led display : 1.module design:to raise the system more stability and ... : R & G / Bi-color/dual color.8.Emitting color: Yellow, red, green, according to different gray level, color changes to deep ... degree.9.P16 Outdoor is suitable for the sports scoreboard LED display. 10.Widely application, it can also be used as advertising ...