Scrolling boards is very popular type of ad carriers in Europe. That's not surprising because of bigger possibilities for advertisers. Due to its' modern design and high technologies our city-lights fit to the city environment.
Such kind of technology is popular because of the city environment strictness. Sometimes clients demand more than we have for sale. That's why have installed scrolling city-lights. But this type of carriers has more opportunities for non-standard creative ad. You can install 3 different visuals and use scrolling effect to attract more attention of your audience.