Quarta-Rad, Inc. distributes and sells detection devices for homeowners, homebuilders, general contractors, and home renovation contractors in North America, Europe, and Asia. It operates through two segments: Quarta-Rad and Sellavir. The company sells radiation detection equipment, including RADEX RD1503, a hand-held radiation detector for the consumer market; RADEX RD1706, a hand-held radiation detector; RADEX RD1008, a radiation detection device that provides readings for Gamma- and Beta- radiation values; RADEX RD1212, a hand-held radiation detector for the consumer market; RADEX RD1212-BT, a hand-held radiation detector with Bluetooth; and RADEX RD ONE, a compact personal radiation detector. It also provides RADEX M107, a simple radon gas detector that provides visual/audio alarm when a threshold is reached, as well as RADEX EMI50, a hand-held device, which offers real-time measuring of electric field strength and electromagnetic field. In addition, the company offers light and brightness detection equipment, such as RADEX Lupin, a hand-held device that measures illumination, brightness, and flicker ratio of LED screens. It markets its products through the independent distributors and the Internet. The company was formerly known as Quatra-Rad, Inc. and changed its name to Quarta-Rad, Inc. in February 2012. Quarta-Rad, Inc. was founded in 1990 and is based in Wilmington, Delaware.