PetSafe Big Dog Bark Control Collar (2.5"L X 6"W X 7.75"H)

The patented Perfect Bark detection ensures your dog's bark is the only sound that will cause the correction. Features ten levels of light-touch correction and a quick connect collar buckle with quick release snap feature for easy fitting. Also includes two color LED good/low battery indicators. The durable waterproof adjustable collar fits neck sizes up to 34". Uses the PetSafe battery RFA-188, included.