Focus Universal Inc. develops and manufactures smart instrumentation platform and device. The company offers Ubiquitor, a wireless sensor device that combines measuring tools with smartphone technology to deliver sensor node data on desktop and mobile phone screens. Its smart instrumentation platform generalizes instrument into a reusable and architecture-specific components. The company provides filter and handheld meter products, including fan speed adjuster, carbon filter, and HEPA filtration devices, as well as digital light and quantum par meters. Focus Universal Inc. sells its air filtration systems through distributors. The company was founded in 2009 and is headquartered in Walnut, California.