The rapid evolution of home automation has transformed the way we interact with our living spaces, providing convenience, energy savings, and enhanced security. One of the key components driving this shift is the Wi-Fi Smart Relay, a device that allows users to control electrical appliances remotely via their Wi-Fi network. This smart technology has emerged as a central piece in the growing trend of Internet of Things (IoT) devices, enabling homes to become more intelligent, energy-efficient, and automated. In this article, we will explore what Wi-Fi Smart Relays are, how they work, and their role in modern home automation.