Give your best friend a safe place to play with the SportDOG Brand Rechargeable In-Ground Fence System. This fence system creates a 1-1/3 acre area suitable for dogs 10 pounds or larger, and features 7 levels of static stimulation to match your dogs temperament. The anti-linger technology prevents your dog from running down the battery in the warning zone, and the DryTek® technology makes this fence waterproof and submersible up to 25 feet.