1. Long life-span 2. High brightness 3. CE & Rohs certified 4. energy saving 5. red, green, blue, white, yellow, etc seven segment led display are available in a wide range of sizes, from 0.28" to 4". Take our 0.39", 4 digits for example. They are selectable in colorful emitting lights, such as red, yellow green, pure green, blue, white etc.facade: Black face /Grey face with white/red segment. ...