This device is especially helpful when there are several heavily polluting birds present in an apartment, scattering feather dust, feather tubes, and grain everywhere. Instead of waiting till later, as was the case with the despised corded vacuum cleaners, you can grab all the trash you see and vacuum it right away. Cleaning with corded vacuum cleaners becomes a pain when you need to clean at least a few times per week (and ideally every day). He initially made the animals nervous, but now they hardly react to him, and you can vacuum without removing them from the room—something that was impossible with the old wired Dyson. The system unit makes it very easy to clean them.