Outdoor LED billboard are used for outdoor advertising purposes. They are colorful, illuminated signs mounted in conspicuous places. LED billboard have lights that often flash on and off to catch people's attraction and advertise a product or service, or to deliver another type of message.Areas with high traffic, either human or car, are best suited for the billboards. Choose cafeterias, highways, lobbies or main building entrances to set up your signs. Such areas create the best visibility.