If you want to stop your dog’s excessive barking effectively without hurting him with a shock collar, try this Petsafe/Premier GentleSpray Citronella Anti-Bark Collar. Electric shock and ultra-sonic products attempt to redirect behaviors with pain. In addition to being less effective, pain may actually increase anxiety and aggression and make some behavior problems worse. The GentleSpray Anti-Bark Collar is a much more humane and effective nuisance barking solution, delivering a harmless burst of citronella to interrupt your dog’s barking. Your dog will quickly and painlessly learn that there is a consequence for barking. He should completely assimilate to the collar within a few days. This harmless spray conditions your dog to behave properly by working on four of his five senses: he hears it, feels it, sees it and smells it.