Easy to UseOne key to lock and release the leash, you can easily control it with your thumb, prevent the dog from jumping or running, and quickly control the distance between you and the dog to ensure your safety. LED TOUCH LIGHT: Using touch light technology, a simple touch of the switch screen turns on the flashlight and flashes the colors. Leash sides can be changed with 6 color sliding effectsdifferent colors that are safe and attractive to you and your dog in dark environments. Durable and comfortable: The dog leash is made of sturdy nylon rope, which is strong and wear-resistant. The belt can be extended up to 3m, giving you excellent control range. Soft rubber curved handle, designergonomic, non-slip comfort, no discomfort when walking the dog. 360 tangle-free design: high precision bearing, U-shaped rope exit, no need to worry about the rope being tied or tangled on the dog, perfect for outdoor walking. Small and Medium DogsThis retractable leash is suitable for small and medium sized dogs. Note: The retractable strap of the LED flashlight does not contain batteries, you need to bring your own batteries (2 AAA batteries).