Dog Collar Light, Glowy Orb; Keep You and Your Dog Safe At Night Casts a protective halo of light around your dog to help keep you safe on night time walks Unique orb design keeps you visible for blocks without hurting your dog's eyes or blinding oncoming drivers Ultralight aluminum alloy design weighs less than 1oz and can be worn by even the smallest dogs Bright 25 lumen LED lasts 5+ hours between battery changes and is cool to the touch Carabiner clip attaches securely to your dog's collar or leash