CUPET(TM) Pet Automatic Tractor Dog Leash Rope With LED Light Automatic telescopic pet tractor traction rope with LED Hold the grip with dog leash, make the rope as the dog gently moving in the direction of the release, dog then can enjoy the best freedom of action By pressing the stop button, can stop the dog run free, let it activities within the scope of your Pull back to your dog Automatic pet collar tractor with LED light