A) It uses ultraviolet radiation to physical sterilize and antisepsis for the knives. It has no the second pullution and innocuity to zoology and the human, and it's very swift and efficient;

B) The disinfection performance is stable and not effect by the environment. It also prevent to be ill from the mouth and insure your health;

C) It could sterilize by 253.7nm shortwave ultraviolet radiation. The intension could reach to 1050uw/cm. The killing-bacteria process will be stopped after 5 minutes.