Unused Slide-Type UV Sterilizing Light Kileiny Kileiny Sterilizes 99.9% in approximately 10 seconds of irradiation. *The sterilization rate depends on the irradiation distance, temperature, and the object. The top part of the package will be slightly folded during packaging. Although it is unused, it has been stored at home, so there may be scratches or folds on the package. Please understand. Thank you. Sterilization Ultraviolet Light UV qqp