The 24-Hour-Shop Sign is an Japanese DLC interactive decor item that was available from December 1st to December 6th of 2012. It is part of the 7-Eleven Set. It can be sold for 711 Bells at Re-Tail (568 Bells at Nooklings).
When the player presses the A button while facing it, it will turn the neon light on and off, but will not effect the lighting in your room.
There are no customizations available for this item.