eXtreme® Dog Fence Standard Grade Underground Systems are designed for dogs that respond well to training and properties up to 6 acres. Choose between the Standard Active and HYPER versions depending on your dog’s temperament.
- Includes digital transmitter, waterproof collar, 20-gauge wire, flags, and splices
- Customizable wire length and number of dogs (1–5, expandable)
- Same system for both versions — only the collar differs