Electronic Dog Training Collars Dog training collars are an efficient tool to help coach and instruct your pet. These electronic collars appear very similar to standard collars, but have a receiver attached for when you need to discipline your dog. These electronic collars from Dogtra are waterproof and offer varying capabilities. No bark collars, for example, will use a light stimulant to remind your dog to reduce its barking if it becomes excessive throughout the day. Dog training collars are great accessories for hunting dogs, protective dogs and just about any dog that barks too often. Start shopping for your pet’s new electronic collar today.