This Household UV Sanitizer Wand is equipped with UVC radiation that attacks the vital DNA of bacteria directly, making them lose their reproduction capability and eventually get destroyed. Its 99.9% sterilization rate is far higher compared to other UV sanitizers. This wand comes with a portable base that makes it easier for storage. It has a built-in 3-minute timer and a smart sensor that automatically shuts-off after the time. With a built-in child lock function, your kids are prevented from any accidental injuries.