About this item Electronic Audible Dog Training Bark and Behavior Device: Safely, easily, and quickly helps you train your dog and correct dog training issues with the click of a button. Stop barking, fighting, jumping up, digging, nipping, food stealing, eating dangerous things on walks, dog park scuffles, and leash reactivity. Portable and Convenient: Uses sound only, lightweight, durable 5” electronic sound dog trainer. The device has one button to activate the loud audible sound. The sound is similar to a stun gun and has a loud audible crackle. The device is a tool, not a crutch. 100% Safe for Dogs: The Doggie Don’t Device is not intended to be a punishment. It is intended to be a distraction from unwanted behaviors so that you can reward your dog for good behavior. Correct, Redirect and Reward! Our goal is for you to have a well behaved and socialized pup. No shock, spray, or zap. Tips for Usage: The Doggie Don’t Device is a great tool for you to carry on walks or while hiking. It can help deter off-leash dogs, wildlife or coyotes. Can be used to keep you and your doggie safe from a distance. The Doggie Don’t Handheld Device is also a great tool to use while you are on a walk if you have an aggressive or reactive dog to keep other dogs away so that your dog does not get into trouble. Includes 2 Long-Lasting Batteries: Do NOT use rechargeable replacement batteries. Includes 2 long-lasting, high-powered batteries. You should get a minimum of 500 clicks with new batteries (with normal usage).