Your home dimming system. ITD Home offers lighting control solutions from today's leading lighting system manufacturer - Lutron. The Lutron Radio RA dimming system can be installed in any home, new or existing, without rewiring. A push of the button sets your home's mood, whether you are throwing a party, watching a movie, or going to bed. We can add convenience and elegance to your home with the Radio RA Master Control and wall-mount dimmers and design a whole-house dimming system that fits your home's needs.