LED displays, message, are typically commercial or industrial signs. They allow for larger characters and longer viewing distances than digital LED displays. Light-emitting diode (LED) displays are ...

One of those rules refers to "changeable message signs," or CMS, which are the electronic signs that Arizona uses to display the funny messages, along with travel times, traffic alerts and more.

Displays Countdown Time Will count down time ... or to provide an additional level of entertainment in conjunction with message presentation. Search Logic: All products with ANY of the selected ...