Picture of the Sterilray™ Disinfection Wand far-ultraviolet radiation device. The portable device includes a disinfecting wand weighing 4 pounds attached to a wheeled power pack. The radiant dose (mJ/cm2) of far-ultraviolet irradiation is dependent upon the amount of time and the distance the device is held from the surface being treated.
Nerandzic et al. BMC Infectious Diseases 2012 12:120 doi:10.1186/1471-2334-12-120