Signtronix Model LED-4 Sign 12.75" x 40" x 6 ALL LED's WORKING! I will guide you to the software download!! I include a serial to USB cable. This is a single color sign with a TON of options, like scrolling, fading etc. The item "Signtronix Programmable Model LED-4 Two Line Sign" is in sale since Tuesday, April 3, 2018.This item is in the category "Business & Industrial\Retail & Services\Business Signs". The seller is "dpmictte" and is located in Las Vegas, Nevada. This item can be shipped to United States.