The Intelligent 2 In 1 Dog Training Wireless Fence System KD660B by TTPET is designed for all breeds of dogs. This system combines both training and fencing capabilities, making it a convenient and efficient tool for pet owners. With a wireless design and easy setup, it offers flexibility and convenience for pet owners looking to train and confine their dogs. Made in China, this model is reliable and efficient in guiding multiple dogs within the designated area.