Remote training collars are devices used to assist in training dogs by delivering a stimulus, such as a beep, vibration, or mild electric shock, from a distance. They typically consist of a collar worn by the dog and a handheld remote control operated by the trainer. These collars can help reinforce commands and correct unwanted behaviors. Many trainers and pet owners use remote training collars to improve communication with their dogs, especially in outdoor settings. It's important to use these collars responsibly and in conjunction with positive reinforcement techniques to ensure the dog's well-being and promote effective learning.