We specially manufacture all kinds of tri-vision display billboard. A tri-vision display billboard can display three different pictures in alternation, is one of the most popular advertising media abroad. It can yield you three times the revenues of a single board. It offers one of the highest returns on investment of any advertising media. This succession of 3 images catches the attention of passers-by 4 times better than ordinary signs. The sign changes allowing each advertisement to be seen for about six seconds at a time. Tri-vision billboards can be programmed to rotate advertisements in any time interval and in any order to your satisfaction.