
Halo Collar 4
A GPS collar and a wireless fence in one. You draw boundaries in the app and the collar keeps your dog inside them, anywhere, no buried wire. Premium price and a subscription, but uniquely capable.

A microchip-reading cat flap that only lets your cats in, keeping strays and the neighbor's cat out. Reads your pet's existing chip, so no extra tag to lose. The smart-home pick for cat owners.

A GPS collar and a wireless fence in one. You draw boundaries in the app and the collar keeps your dog inside them, anywhere, no buried wire. Premium price and a subscription, but uniquely capable.

A portable, no-dig wireless fence that creates a circular boundary you can set up in an afternoon and even take camping. The budget route to containment when a Halo collar is overkill.
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