Each box has a sensor rim and a built-in rake that sits on top of a disposable litter tray. The sensors detect when a cat enters the box, and 20 minutes after they've exited, the rake ...

To operate the PetSafe ScoopFree, you load the pre-filled disposable tray into the bottom of the litter box and plug it in. From there, it automatically senses when your cat has used it ...

Disposable litter trays do have some perks ... Price: Geller says a major drawback of automatic cat litter boxes is their price tag. These boxes don't come cheap. "If you have a cat who has ...