About SONOFF Shenzhen Sonoff Technologies Co.,Ltd located in Shenzhen, China, is a top-ranking smart home automation manufacturer specializing in R&D, design, production and marketing. SONOFF is an independent brand integrating software and hardware, the products are known for quality and innovation. The main technologies SONOFF products based on are Wi-Fi, ZigBee and other mainstream communication protocols, and different communication protocols can be configured according to customer needs and using scenarios.