20mm LED perimeter advertising system. Over the last 3 years Pro Display has focused on developing a number of new LED advertising solutions for various industry sectors. This includes our range of LED Perimeter Advertising Systems for football stadiums and sports arenas. These are based on a light weight modular system designed for both fixed and rental applications where the modules are placed round the perimeter of the sports field or arena. The screens generally display advertising media during the games, which can be captured by TV cameras for live broadcasts. The clients are usually the owners of the stadiums or sports marketing companies who recoup revenue from advertisements played during the game. Our system design also means that the modules can be stacked to create LED video advertising screens for other rental/promotional applications.