It comprises two pieces: A 27.5-by-19-inch rim with a built-in safety sensor and rake, and a litter tray, which comes in either disposable or reusable form. The box is simple to set up.

Monitoring the litter box brings several useful advantages. Load cells enable the weight of the litter tray to be monitored, allowing sand levels and the weight of the cats to be checked at ...

The best overall box is the Frisco Hooded Cat Litter Box, a good-sized box with a removable cover that's just under $40 ... on top of a disposable litter tray. Sensors recognize when a cat ...