STOPS BARKING: Help train your dog to stop unwanted behaviours; barking, jumping up, food stealing, dog aggression, biting, chewing & furniture avoidance. Simple & easy to use, instant results SAFE HUMANE NATURAL HISS SOUND: Pet Corrector works by emitting a harmless hiss of air to mimic the natural warning that swans & other animals make. Interrupting the action & allowing you to retrain. GREAT FOR DOG TRAINING: We love our dogs so training them humanely is important. Pet Corrector is a constructive & positive way to interrupt bad habits & retrain better behaviours at home & in public EASY TO USE & INSTANT RESULTS: 3 simple steps to a better behaved dog. W.A.G! Witness: the unwanted behaviour, Act: spray Pet Corrector (away from dog) to distract Give: your dog a command & reward. SAFETY & USES: Not suitable for puppies or anxious dogs. Always read instructions before use; companyofanimals.com. Approx uses / can: 30ml = 30. 50ml = 50, 200ml = 200, only use in short bursts.