1.Maked by special steel & temp glass window 2.Pull by mini car 3.Each side 8-10 posters 4.Backlight power with gel battery 1.Each side of the advertising trailers are actually made up of 15 scrolling billboards that change/move between 2 and 99seconds per ad. 2.Our advertising is eye-catching from itsinitial impression; it keeps your eyes captive till the nextsign appears. 3.The billboards are ...