This 48" Replacement Light Strip is for use with the CMP Brilliant Wonders® LED Waterfall. The LED strip is built into the unit and completely accessible from the front. Please note that the The LED waterfall "brains" are not built into the LED strip. An external adapter is required and you have two great choices for LED waterfall control. The Smart Sync Adapter allows for total compatibility while the Colorwheel Control allows for ultimate customization.