This PetSafe 1000 Big Dog Remote Trainer PDT00-11876 is the perfect tool for training and obedience for your furry friend. With its electronic fence feature, you can easily control your pet's movements and keep them safe in your yard. The brand, PetSafe, is well-known for producing high-quality pet supplies, and this model, 475, is no exception. The remote trainer is easy to use and comes with a variety of features that will help you train your pet effectively. It is suitable for dogs of all sizes and is ideal for those who want to keep their pets safe and secure. With its durable design and reliable performance, this PetSafe 1000 Big Dog Remote Trainer PDT00-11876 is a must-have for any pet owner. Box is not sealed but is all new and never used