Be serious or be funny----it is up tp you.
If you like vacuuming in the dark, i guess.
So you can vacuum in the dark.
It is actually for when you get under your couch or chair or something like that : Before I thought it was for when your power was out but then I realized you need a plug and electricity for a vacuum < XP
So the dog will chase them.
To see under things and to see small things on the floor.
