Good day Besnier! Exactly what is the distance involving the litter box as well as the cats? Actually the Litter Robot will make sound but is not that noisy either. My cat received utilized to that sound and she looks to know the litter box is cleaning cleaned :-) and https://sb-bookmarking.com/story20277124/the-single-best-strategy-to-use-for-petkit-purobot-uae