I live in a tiny studio apartment and keep my kitty's litter box in my tiny bathroom. The litter I use does a decent jobs of eliminating smells but my cat refuses to cover up her business. I installed it the night I got it and in the morning there was no litter box smell anywhere! After a few days I noticed that my cat had started covering up her business as well! It's super easy to use and the one charge lasts a week!★★★★★