Videowall is a suite of many monitors that are strung together in ways that minimize the series monitor can display an electronic advertising in the form of a video and placed indoor. A set Videowall can load many promotional videos, so that one set can advertise promo videowall more than one brand / client. The duration of the video aired on the wall for 20 hours (04.00 am – 24.00 pm) so that it can serve ads to 2 to 4 clients with different promo video broadcast hour alternately corresponding video that has been agreed upon.