Casminton offer a superior interactive dog training experience, equipped with a high-quality, durable collar featuring long-distance transmission and extended battery life, making your dog training more efficient. Features include enhanced vibration and sound, 99 finely tuned shock modes to minimize stress on your dog, suitable for apartment training, yard training, and outdoor long-distance training. It improves your dog's focus, enabling faster skill learning. Features include a large screen, simple controls, and a separate shock off mode.