How Does Ozone Sterilizer In Shower Room Work?

Many people wondered how this Ozone Sterilizer worked in the shower room. 

When operating, the ozone device generates ultraviolet at wavelength of 185mm which dismantles oxygen molecules into O3 and it sterilises the shower room by killing the bacterial inside. 

And technique specs: 

Input voltage: DC12V

Input current: ≤200mA

Power: ≤2W

O3  output: 20MG/H