seven segment led display has features as following: 1.50,000h life-span. 2.High brightness. 3.red, green, blue, white etc. seven segment led display are available in a wide range of shapes, take our 0.39", three digits display for example, selectable types for choice, black/grey face with white (typical type)/red/ green segment. Emitting colors are various, Red, Green, Yellow, Blue, White, etc. ...