With a wide array of styles, colors, and control options, Lutron offers hundreds of choices in stand-alone dimmers and switches. Multiple designs and control openings compliment any décor and provide functionality for ambiance, convenience, and security meeting all of your lighting control needs. Energi Savr Node QS is a simple, programmable solution for controlling light and saving energy in any commercial space. Use Energi Savr Node QS to connect DALI (digitally addressable lighting interface), 0-10v or switching ballasts to wired or wireless occupancy sensors, daylight sensors, and controls for total light control.