The K9-802TS B24 2 Dog K9 Handler E-Collar is a high-quality remote training system designed for big dogs. With a range of 1 mile, this trainer allows you to effectively communicate with your dogs from a distance. The package includes two E-Collars, making it perfect for handling multiple dogs. The bungee collars provide a comfortable and secure fit for your dogs. Whether you’re training your dogs to obey commands or correcting unwanted behaviors, the K9-802TS B24 is a reliable and effective tool.