The E-Collar Technologies Barkless Pro Anti Bark Collar BP-504 Clicker is a high-quality training tool for dogs in sizes small and large. This collar utilizes vibration and static/shock control methods to deter barking, with adjustable shock levels for customizable training. It is waterproof and comes with a low battery indicator, making it convenient to use and ensuring your dog stays well-trained even in outdoor environments. The collar is rechargeable and compatible with Google Home for added convenience. Made in the United States by Educator, a trusted brand in pet training, this anti-bark collar offers a reliable and effective solution for obedience training.