Your Halo Collar prevents, protects, tracks, and trains your dog—and can even guide your dog home.
Halo is the safest and most advanced virtual fence for your dog.
What became Halo started as a real-time strategy game for the Mac, originally code-named Monkey Nuts and Blam! It is a parody of the franchise in which a Spartan — a member of Master Chief's unit, no less — is stranded on a planet covered in dinosaurs and superhuman children.