This SportDOG E-Collar Model SBC54-1683 is the perfect tool for training and obedience for your furry friend. It is designed for dogs of XL, L, and M sizes and breeds such as Labrador Retrievers. The control method includes vibration and static/shock options to ensure your dog's safety during walks. The collar is waterproof and rechargeable, making it a long-lasting and reliable choice for your training needs. The package does not include a charger, but the remote is included to make training easier and more convenient. This E-Collar is an excellent choice for any pet owner looking to improve their dog's behavior and ensure their safety.