As SARS-CoV-2 can sustain on cotton and polyester material for a day or more. Disinfect non-waterproof object is a big challenge for hotel industries.
Researcher offer first proof that Ultraviolet C with 222nm wavelength - which is safer to use around humans - effectively kills the SARS-CoV-2 Virus
Despite the reliability of the report. We bought the machine and coduct a test on non-waterproof surface. It reduce the total germs count reading on our ATP Monitor.
222nm Ultraviolet C wavelength doesn't penetrate human skin and eyes. There are still minor protection needed when using the device. We have compiled this into a package especially for hotel industries.