The NPS Alpha Anti Bark Tool is a dog behavior training device designed to stop barking with up to a 35-foot range. This anti-barking device, made by NPS, features 3 different modes and a rechargeable battery for convenience. Suitable for all dog breeds, the NPS Dog Alpha model is perfect for training your furry companion to be a well-behaved member of the household. Made in China, this anti-bark tool is a reliable and efficient solution for addressing unwanted barking behaviors in dogs.