This invention, occasionally popping up on blogs, looks like a meaningless and absurd implementation of the “tricks” of the Kew lab (from Bond films), but in reality it is a rather serious and clever idea. And it largely ensured the success of one particular company.
Two small doors (like minks) lead to the elongated Mouse RADAR case. Rodents there leads natural curiosity. They say it works flawlessly. When the animal steps on the touch panel inside, the doors are closed and locked. Immediately, a dose of carbon dioxide is fed from a special container to a trap. The mouse loses consciousness after 10 seconds, and another 35 seconds later the animal dies.
A technician will come from the company to service the trap. Apparently, he would carefully (with rubber gloves) take out a gray corpse and pack it in a closed bag so that God forbid what kind of infection ... Well, you understand. How many mice have enough charge in the balloon is not specified.
Source: https://habr.com/ru/post/15006/