This Remote Dog Training Collar is an intuitive system in a compact design for dogs Sized 10 pounds and up. This affordable unit has a waterproof collar receiver and a ranges of 500 meters. Allowing Your Dog to Enjoy the Wette situations at a Distance of 3 football fields. With the Systems 5 Levels of Shock/Vibration and Standard Tone, its Ideal for Reinforcing Dog Obedience Around the House, Backyard or Lake. Easy to use, Adjustable Intensity Button. Simple, Ergonomic Design Layout With A Button For Each Type of Stimulation, No Mode Button Allows for Fast Corrections. Quick and Straightforward Pairing Process. Power when in use to extend battery life. Enhanced and conductive safe contact points. Collar size: Able to Fit Small, Medium, Large Dogs and Puppies. 15 LBS or larger. Sustainable and Adjustable Nylon Collar Size Length from 14 to 27 inches long. Uses: Our collars can be used for a variety of purposes. Here are a be examples: Basic Dog Obedience, Hunting, Digging, Aggressive,