Is your best friend a little too talkative at times? We have the answer. This collar releases a burst of lemon-scented spray when your pal barks. It's harmless to humans and animals, but dogs find the smell unpleasant. The easiest way to modify your dog's behavior. Adjustable collar for neck sizes up to 28' with the QuickFit Buckle. For dogs of all sizes. Waterproof collar has good/low battery indicator, low spray indicator and on/off button. Lifetime Limited Warranty.