(p.s. individual 2 litter robot three and the two of these will not be Doing the job as predicted, not normally detecting my cats and sometime just freeze in Center… had the wifi board installed and was never in a position to connect so the app is non-exist for me…) https://spikydogtoys39258.thenerdsblog.com/39017692/getting-my-cat-litter-chewy-to-work