MareLight Hand-Held Pet Treat Launcher For Dogs - Unique Tool To Feed Your Pet - No Battery Is Needed It comes with a wrist strap,that makes it very portable. The handle is designed to give you comfortable grip. Perfect for dogs and cats, Easy to load and fun to use. No need to hold those treats and worry about getting the crumbs off your hands, you can now keep your hands free to pet your dog NO battery required It's spring action launches treat up to 20 feet away.