Focus Universal Inc. develops and commercializes universal smart technologies and instruments in the United States. The company operates in two segments, Perfecular & Lusher and Corporate & IoT. It offers Ubiquitor, a handheld, fully modular system with a universal sensor node and gateway system; and smart home installation, such as smart devices for lighting control, air conditioner control, sprinkler control, garden light control, garage door control, and heating control. The company is also involved in the research and development of device on a chip technology; 5G ultra-narrowband technology; ultra-narrowband power line communication technology; user interface machine auto generation platform; and universal smart instrumentation hardware and software platform. In addition, the company develops scientific sensors, including quantum photosynthetic active radiation sensors, TDS sensors, pH sensors, total dissolved oxygen sensors, pressure sensors, ORP sensors, temperature sensors, humidity sensors, carbon dioxide sensors, water level sensors, chlorine sensors, and turbidity sensors. Focus Universal Inc. was incorporated in 2012 and is headquartered in Ontario, California.