What's the usage idea?

UV sterilizers do work on most all viruses from what I understand but the issue is the the further from the light source the less effective it becomes and time, temperature and humidity are all factors which can affect the effectiveness. A UV-C light strong enough to clean a 100 sq ft room would be dangerous to humans so it could only be used as a sanitary item and not on all the time. At least as far as I understand it.

edit: just saw your usage idea. Not sure it would be doable and safe for humans but packages seems totally fair game.