This document provides an overview of a smart home system from Nanjing Wulian IOT Technology. The system uses a ZigBee wireless protocol and allows control of home electronics, lighting, appliances, security sensors, and more from a mobile device. It features global control of functions like lighting, sensors, appliances and more. The system includes various smart devices like switches, sockets, lights, sensors, locks and cameras that integrate with the wireless network and app. The company aims to make smart home systems as common as internet access today.