Traditional light switch retrofits mean cutting walls, running wire, and scheduling electricians. Battery-powered alternatives just trade one maintenance headache for another. ILLUMRA's self-powered wireless switches eliminate both problems — installing in 15 minutes with no new wiring and no batteries, ever. This guide covers how kinetic energy-harvesting technology works, how to install the system in three steps, and why contractors and facility managers are choosing wireless controls for commercial retrofit projects.
