UVC + Ozone Dish Sterilizer (DSR-310S) uses UVC and Ozone to sterilize dishes.

First, ozone generator releases approximately 40mg ozone per hour, completely destroying bacteria cell body by oxidization. Ozone also eliminates odors. 

Also, UVC of 253.7 nm wavelength breaks down the DNA structure of microorganisms on your tableware, effectively eliminating 99.99% common bacteria.