SportDOG Brand® YardTrainer 100 Yard Stubborn Receiver and Collar is made for the stubborn and easily distracted dog of the family. It offers 100 yards of range, making it ideal to train around the house, yard and park. It’s a compact system that’s easy to use and will allow you to train your dog hassle-free. Engineered with DryTek® technology, it is waterproof and submersible up to 25 feet making it care-free to use.