The Jugbow Dog Shock Collar DT-682 is a training device designed for two dogs, with a remote control that allows you to shock the dogs to correct their behavior. The collar has a shock function that can be used to train your dogs to follow commands and stop unwanted barking or other behavioral issues. With a maximum range of 4200 feet, this shock collar gives you the control you need to train your dogs effectively from a distance. This product is new and sealed, ensuring that you are getting a high-quality and reliable training tool for your pets.