The Outdoor GPS Dog Fence System by Cavilier offers adjustable radius of 33-9999 yards, making it suitable for dogs of all breeds over 20lbs. The waterproof collar ensures your pet stays safe and secure while the wireless technology provides freedom of movement. The black color and sleek design make it a stylish addition to your outdoor space. The system includes 1 Lithium Polymer battery, providing long-lasting power for your furry companion. With easy-to-follow instructions in the user manual, you can set up this electronic fence with confidence.