With powerful control system, it can display not only texts, but also colorful pictures, flash files, short video files, etc. All displayed content are stored in on-board memory and can be updated through TCP/IP, RS232, RS422 or modem connection etc. Network connection allows a group of offline video displays to be controlled from a central control point. It is available and affordable in form of single color, RG-basic color and full color, and can be for indoor, semi-outdoor (window brightness) and outdoor use with different sizes and pitches.