【 AI Smart GPS Accurate Positioning】Our GPS wireless dog fence for dogs uses U-BLOX Chip, it has a special feature for compensating weak signals and resisting signal interference, which is less interfered by the outside world, and is more stable and accurate than traditional dog fences. This helps you easily set up an electric fence boundary for your furry friend. You don't have to dig holes to bury transmitters or pay for costly traditional wooden fences. Wireless electronic fence effortlessly creates a joyful park for your dog 【33-999 Yards Adjustable Distance & Training Mode】SLAYKAM wireless pet fence performs best at outdoors, like in yards/parks, at the beach, on farms, or when camping. You can set it to cover distances from 33 to 999 yards. The system's GPS accuracy may vary by 1-2 yards, the accuracy may decrease in densely wooded areas. When the dog runs out of this range, it will trigger a warning.The vibration intensity and electric shock can be adjusted in 1-6 levels. Set it up once, and the latest model has a full Memory Function. You won't face any interference issues 【Comfortable & Safety Design】If your dog goes beyond the set range, the beep or vibration or electric shock will keep working non-stop for two cycles. Then it will repeat this two times automatically. After warning two times, if your dog has still not returned to the safety area, the system will no longer work until dog comes back to the safety area. The wireless dog collar fence system enters the "Protection Mode" once the dog is indoors or in a spot with weak GPS. Additionally, Titanium points prevent harm to the dog's skin and do not cause allergic reactions. The humanized wireless dog fence can avoid any harm to your pets