This remote dog training collar is an intuitive system with a compact design suitable for dogs 10 pounds and up. This affordable unit includes a waterproof receiver collar and a range of 500 yards. Let your dog enjoy the wettest conditions on 3 football fields. Featuring 5 levels of shock/vibration and standard tones, this system is ideal for increasing your dog's obedience around the house, yard or lake. Easy to use, adjustable intensity button. Simple and ergonomic design with a button for each type of stimulation and no mode button for faster correction. The pairing process is quick and easy. Save power when not in use to extend battery life. Improved and secure conductive plastic contacts. Collar sizes: Fits small, medium and large dogs and puppies. 15 pounds or more. Durable, adjustable nylon collar available in lengths from 14 to 27 inches. USES: Our collars can be used for a variety of purposes. Some examples include: basic dog obedience, hunting, digging, aggression, barking,