Hangzhou Huacheng Network Technology Co., Ltd., established in 2015, is a smart home brand targeting the global consumer market for smart IoT. It has developed four major product systems: LeChange Security, LeChange Connectivity, LeChange Robotics, and LeChange IoT. Supported by LeChange's AI capabilities and cloud platform, the company provides comprehensive smart home security solutions for consumers. Leveraging cutting-edge technology and intelligent products, LeChange strives to create a simpler, safer, and smarter lifestyle for every user. Currently, LeChange has over 45 million users and its products are available in more than 100 countries worldwide.