The 2 Dog Einstein E-Collar 3/4 Mile Remote Dog Trainer is a high-quality training tool designed to help you train and control your dogs effectively. With a range of 3/4 mile, this remote dog trainer allows you to communicate with your dogs from a distance. The trainer is specifically designed for training two dogs simultaneously, making it perfect for multi-dog households. The E-Collar technology ensures safe and humane training, and the compact design of the trainer makes it easy to use and carry. Whether you're working on obedience training or correcting unwanted behaviors, the 2 Dog Einstein E-Collar 3/4 Mile Remote Dog Trainer is a reliable and effective tool.