Tri-color DataVisor Marquees are available as single line up to 4 lines, in either 13 or 20 character lengths. No software is required to use these Marquee signs. No more having to acquire the software, then load it on your laptop computer, confirming you have the most updated version, and then finding the correct serial cable to interface your laptop to the sign. All the units have a web server built right into the sign for easy set up and configuration from your browser. All the intelligence needed to setup, collect data or send messages is included right inside the sign. If you have ever worked with other marquee signs, you will be amazed at how easy it sets up and configures.