Sensor Switch is an industry leader in developing occupancy sensor products and technology for lighting control. Sensor Switch is an engineering-driven company offering the widest array of sensors offered by any manufacturer. Our technical innovations include our patented Passive Dual Technology (PIR/Microphonics™), and the groundbreaking nLight Control System. From schools and offices to factories, government buildings, and retail stores, Sensor Switch provides reliable and cost-effective lighting control solutions for virtually every building type and application. Founded in 1987, Sensor Switch proudly engineers and manufactures all of its products in the USA at the company headquarters in Wallingford, Connecticut.