LED programmable sign

There are benefits of a LED programmable sign over traditional changeable copy displays. A LED programmable sign emits light which allows one inch of text to be viewed from 50 feet away. They offer greater viewing distance, especially at night. One inch of standard non-reflective print text is viewable only up to 32 feet away. You want your LED programmable sign to give your audience as much time and distance to read your message, especially if they are in a car. They have the ability to display more messages. You can cycle through numerous and different messages with a LED programmable sign.
ISA, International Sign Association