What are UV Sterilizers for disinfection? UV sterilizers are designed to disinfect items using ultraviolet (UV) radiation. UV sterilizers use a high-intensity, short-wavelength light that destroys microorganisms by breaking down their DNA. Do UV sanitizer lights work? Does UV sanitizers work? UV sterilizers use ultraviolet light to kill bacteria, germs, and other microorganisms. The UV-C…