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 ...

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 ...