Advertising lighting panels can be one-sided or double-sided. It depends on the way of installation. One-sided advertising lighting panels are often installed on the roof and the on walls of buildings. Double-sided advertising lighting panels are installed on the poles, walls or they are often suspended in the space. Advertising lighting panels consists of supporting profile and plexiglass cover. Advertising lighting panels are illuminated by LED diodes. http://www.gema.cz