The Crystal Rail LED Controller is the perfect solution for illuminating up to 40 Crystal Rail Glass Mounts (20 sections of Crystal Rail Glass Panels). With easy Plug-and-Play installation, there's no need for splicing wires or hard wiring. The LED lighting is UL/CSA certified for safety and peace of mind. Plus, the included remote control allows for convenient control of your new lighting and Crystal Rail Frameless Glass Railing System. To connect the mounts to the controller, use the Double-T Splitter Connection Cords (sold separately).