Hi Besnier! Exactly what is the gap amongst the litter box and the cats? The truth is the Litter Robotic helps make sound but isn't that noisy both. My cat bought used to that sound and he or she would seem to know the litter box is cleaning cleaned :-) https://petskyonline-onlinestrore.blogspot.com/2025/07/petkit-purobot-ultra-premier-auto.html