A smart home relay is an electronic device designed to control and automate various home appliances and systems. It acts as an intermediary between the user and the home devices, enabling remote operation through a smartphone app, voice assistant, or automated schedules. Smart relays are often integrated with other smart home systems like lighting, heating, cooling, security, and entertainment devices. The device can either be plugged into an existing electrical system or installed directly in the wiring, depending on the type and functionality.

    The relay is essentially a switch that can control electrical circuits. In a smart home setup, it replaces traditional manual switches with digital control options, providing users the ability to manage appliances and systems remotely, with the use of smartphones, tablets, or voice-activated assistants like Amazon Alexa, Google Assistant, or Apple HomeKit.