With the top-down look, Fourier’s robot can even generate a virtual environment with 3D models so it knows exactly how much space it has to avoid collisions. With six cameras, the GR-1 can see ...

The newest and best-selling models are the Litter-Robot 4 and the Litter-Robot 3 Connect: Both are Wi-Fi–enabled and have advanced features that detect when your cat is using the bathroom and ...