Note that Nvidia has gotten wise to this and no longer provides LED Visualizer as an executable. Now it appears to just be a plugin for GFE. So I'd suggest grabbing that executable while you can.

Nvidia GeForce GTX 980; ... To control the logo lighting, referred to by Nvidia as the 'LED Visualizer', you will need version 1.7 or higher of the GeForce Experience software.

Than perhaps you'll be interested to know that NVIDIA, for the first time ever, has begun selling GeForce GTX SLI LED bridges in 2-Way, 2-Way Spaced, and 3-Way Spaced configurations.