PRINCIPLE OF UVC LED STERILIZATION:UVC LED produces UV lights at wavelength between 260-280nm.

DNA/RNA of germs and bacteria can be destroyed effectively at this wavelength.
59S Never advocates excessive sterilization, We Just make sterilization easier for those necessary sterilization demands

Like W.H.O. advocates everyone to wash hands often, 59S reduces the harm of germs, and lessens the disease for people.