Can the Halo Collar be Used for Cats or Other Animals? Follow Environment Halo Collar System Answer While Halo loves animals of all kinds, the Halo Collar was created for a dog's movements and psychology. Because of this, the Halo Collar is only to be used for dogs. Additional Notes If you have any quesitons, please visit us in our virtual Dog Park. Related articles Does the Halo Collar Require Me To Have Cellular Service? How to Contact Customer Support Will the Halo Collar Fit My Dog? Can I Use Halo if My Home Has a Metal Roof? How Much Does the Halo Collar Cost? Comments 0 comments Article is closed for comments.