This PetDog iT798-2 Remote Rechargeable Dog Training Collar is the perfect tool for dog owners looking for a reliable and efficient way to train their furry friends. The collar is designed for use with dogs of all breeds and sizes, and features adjustable shock levels, a remote control, and is waterproof. With this collar, you can easily control your dog's behavior with vibration and static/shock control methods. The rechargeable battery ensures that you can use the collar for an extended period without interruption. This package includes two collars, making it ideal for owners who want to train multiple dogs.