With a GPS-powered circular boundary, this dog fence offers a flexible, reliable and user-friendly way to ensure your dog stays within the limits you set. Give your dog the freedom to play and explore, while you enjoy peace of mind knowing they’re safe. This advanced system uses GPS technology to create a wireless circular boundary that can cover yard sizes of 3/4 acres or more. The setup is a breeze, with all configurations done directly on the collar’s LCD screen, eliminating the need for apps. Plus, with correction-free re-entry, your dog can return into their boundary without any static correction. Choose between 3 levels of correction: Tone & vibration, small-dog static or large-dog static. This water-resistant rechargeable collar is ready for all-day adventures with a battery life of up to 24 hours.