Xeleum is a manufacturer that specializes in utilitarian fixtures but also has developed a wireless control system. During the commissioning, they provide a dongle that connects to a computer and contacts the fixtures it finds locally to set up programming. The technology is integral to their stairwell fixture and can be added to most of their fixtures as an add-on. [embed] https://www.youtube.com/watch?v=3bTfq6gHz4U [/embed]