What is a smart switch used for?

A smart switch is primarily designed to control lighting and devices remotely through an app or a home automation system. This capability is central to the functionality of smart switches, allowing users to turn lights on or off, adjust brightness, or set schedules from anywhere using their smartphone or integrated smart home systems.

This remote control feature enhances convenience and energy management, providing users with the ability to optimize their home’s lighting based on their preferences or routines. Additionally, smart switches can often integrate with voice assistants, enabling hands-free operation.

In comparison, other options relate to different functionalities. For instance, while regulating voltage levels is essential for maintaining electrical safety, it is not the primary purpose of a smart switch. Creating a backup for manual switches speaks more to redundancy in electrical design rather than the innovative features of smart switches. Enhancing circuit safety features is relevant to various electrical devices but does not specifically capture the unique capabilities that smart switches offer. Overall, the focus on remote control and home automation distinctly identifies the core purpose of a smart switch.