led scrolling sign led display, led message sign, , led message board, led display panel, viewing distance:200m led scrolling sign1. technology: leds, superbright, lifespan:100000hrs2. format: full dot matrix3. size: 150*28*8cm / 200*28*8cm / 100*28*8cmor as make as per your design4. display: two lines with 53mm high font or single line with 114.3mm high font5. colors: single color, two colors, ...