This remote dog training collar is an intuitive system in a compact design for dogs 10 pounds and up. This affordable unit features a waterproof collar receiver and a range of 500 yards. Allowing your dog to enjoy the wettest situations at a distance of 3 football fields. With the system's 5 levels of shock/vibration and standard tone, it is ideal for reinforcing dog obedience around the house, yard or lake. Easy to use, adjustable intensity button. Simple and ergonomic design layout with a button for each type of stimulation, no mode button allows for faster corrections. Quick and simple pairing process. Conserves power when not in use to extend battery life. Improved and safe conductive plastic contact points. Collar size: fits small, medium and large dogs and puppies. 15 lbs or more. Durable and adjustable nylon collar length from 14 to 27 inches long. Uses: Our collars can be used for a variety of purposes. Here are some examples: Basic dog obedience, Hunting, Digging, Aggression,