About this item Lightweight and Adjustable - The use of high-density strong nylon strap, suitable for dogs or other animals under 110 pounds, weighing only 0.69Ibs, the rope can be extended to 16 ft/5M, free control of the distance, lightweight and easy to carry Fearless Darkness - the use of touch lighting technology, double-sided RGB flow ring, four different touch screen to show different effects, , both sides of the flow ring in the open will be free to change different color effect, very cool, so you and the dog in the dark more secure, attractive Simple Portion -One-button pause, lock control, you can easily control with your thumb to prevent the dog from sprinting, quickly control the distance between you and your dog, and ensure safety 360 Tangle-Free Design - high precision bearings, support 60,000 times rebound, as well as U-shaped rope outlet, not roll rope, not worry about the dog is tangled rope, Excellent for playing with dogs out Humanized Aesthetic Design- TPE soft rubber curved handle, fit ergonomic design, non-slip and comfortable, so you do not feel discomfort when walking the dog