It does have all wiring inside to connect both sides, but only connectors for one side. Only one side will work until the second side is connected. Comes with two mounting brackets as well. The item "Hubbell LED2AC 2 Sided Lighted Exit Sign" is in sale since Friday, October 7, 2016.This item is in the category "Business & Industrial\Facility Maintenance & Safety\Safety Signs & Traffic Control\Exit Signs". The seller is "catalystparts" and is located in Plano, Texas. This item can be shipped worldwide.