Using a UV sterilizer is hilariously simple. You open the lid, drop in your item (phone, keys, pacifier), close the lid, and press a button. A blue or purple glow appears, and you wait about three to ten minutes.
How Does Uv Water Purification Work at David Carstens blog
There’s no rinsing. No drying. No fumes. You can even put a book in there or a TV remote. Just remember: never look directly at the light. It’s powerful enough to harm your eyes. The box is designed so the light only works when the lid is closed.
Think of it like a tanning bed for germs. You don’t stare at the sun, and you don’t stare at the UV-C bulb. The machine does the heavy lifting while you make a cup of tea.
