UV-C is short-wavelength ultraviolet light to kill or inactivate microorganisms by destroying nucleic acids and disrupting their DNA, leaving them unable to perform vital cellular functions. This UVC LED pen produce wavelengths of 260~280nm that can kill up to 99.94% germs (bacteria and viruses).
Can use it to disinfect your mobile phone, toothbrush, utensils, mask, common contact points (door knobs, touchscreen panel, etc.)