UNIVERSE | SCIENCE | TECHNOLOGY on Instagram: "Replacing your home switch with a wireless dual-control switch is a smart upgrade that can be done without complicated wiring. The process involves installing a receiver at the light source and a wireless switch (transmitter) at your desired location. How to Install a Wireless Dual-Control Switch Turn Off Power Always turn off the power to the circuit at the main breaker box before starting any electrical work to ensure safety. Use a non-contact vol