Four wireless technologies are most popular in the smart home industry, namely WiFi, Zigbee, z-wave, and Bluetooth. The two most competitive technologies are WiFi and Zigbee. ZigBee, also known as a purple bee, is a wireless network protocol for low-speed, short-range transmission with an underlying media access layer and physical layer using the IEEE 802.15.4 standard specification. The main features are low speed, low power consumption, low cost, support for a large number of online nodes, support for a variety of online topologies, low complexity, fast, reliability, and security. Today I will take you through an introduction to the Smart Zigbee Switch.