Prevent excessive nuisance barking the painless, humane way with our Intellipet Citronella Anti-Bark Collar. Trains dogs to stop barking by targeting their keen sense of smell. Device automatically releases a quick burst of non-staining, harmless citronella spray near their nose to distract them from barking. Proven to effectively reduce problem barking by up to 88% Recommended by vets, dog trainers, and animal behaviorists Lightweight, nylon collar adjusts to fit 8"-24" necks Safe for any dog weighing 5 lbs or moreintellipet Citronella Anti-Bark Collar kit includes collar, spray device, one 6-volt alkaline battery, one 2.4 oz can of spray, and instructions. Additional 2.4 oz Spray Refills (item ZW18818) are also sold separately.This product comes with a standard 1 year warranty.See the Shipping Info and Instructions tabs for more product details.