A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That’s great for a small room with one entrance.

Learn how to install 3-Way Smart Wifi light switches with this step-by-step video. Consult a certified electrician if you ...

The basic controls of smart light switches involve an on and off function. Additional desirable options may include the ...