The group's principal activities are to design, manufacture and develop a wide range of computer-programmable information display systems. the products of the group are classified under the following product groups: sport products, video products, business products and transportation products. the sport products include both indoor and outdoor scoreboards, controllers and timing systems. the video products consist of displays with various levels of graphic and animation. the business products are of text - based message displays with limited graphic capability. the transportation products consist of electronic displays installed over roadside to direct traffic. the group also provides related services such as on-site installation support, on-site event support, display content creation, product maintenance, marketing assistance and large screen video display rentals. the products of the group are sold in the united states, canada and new zealand.