Immediately after the burden sensor at the bottom in the device detects the cat leaving the box, the World rotates sifting the clumps from thoroughly clean litter to dump them into the bottom waste drawer. Hello Miriam, you may select any fully automatic litter box or semi-automatic litter box. You https://petskyonline-onlinestrore.blogspot.com/2025/07/petkit-purobot-ultra-premier-auto.html