Above All Advertising’s Rol-EE portable outdoor digital signage comes with its own set of wheels and can be rolled with ease. The mobile digital signage works on battery making it the perfect product for outdoor events. With 16-20 hours of battery life, this digital A-frame sign can function for the entire day of the market or event. It comes with a range of built-in features like WiFi, HDMI and VGA feature allowing you to expand the way you look at marketing. For more information, contact Above All Advertising Inc., 6980 Corte Santa Fe, San Diego, CA 92121; (Web Site) www.abovealladvertising.net