Dear Sir, Our "SHIELD" using double effect Sterilization method. Step 1 : Plasma Sterilization Step Step 2 : UV-C Sterilization. The product that allows users to perform real-time personal quarantine by solving persistent problems with odor, smoke, germs, viruses and front of Acryl screen In a Bank, Hospital, Official Office. USGES : * IN HOME : For removing Indoor odors caused by germs & bacteria: USE : the smell of pets, in the kitchen, in the shoe cabinet, in the closet, in the bathroom, and in the bedroom. * IN CAR : For removing odors from new cars and for removing bacteria from air conditioners and blowers. * IN THE OFFICE WORK : Those who have a job that deals with an unspecified of people. face to face worker in an office like in the Bank, in the Hospitals or Official complaint counters. * OTHERS : USE in the Nursing home, nursing hospital, postpartum care center, nursery schools. Thanks & Best Regards,