focus universal inc. develops and manufactures smart instrumentation platform and device. the company offers ubiquitor, a wireless sensor device with a universal sensor node and gateway system that uses a computer or mobile device as the output display module that displays the readings of various probe modules. its smart instrumentation platform (usip) utilizes mobile devices or computers to communicate with smart devices, such as sensors, probes, and controllers to monitor and control any functions. the company also offers digital sensors and horticultural sensors, as well as universal smart controller (usc), a controller device. further, it 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 based in ontario, california.