Color: Black Size: Suit for dogs(15-120 lbs) Our GPS wireless dog fence utilizes cutting-edge AI GPS positioning technology, offering ultra-precise tracking, high sensitivity, and powerful anti-interference capability. Unlike traditional wireless dog fence systems affected by metal or electronics, it ensures accurate real-time positioning and helps safely train your dog to stay within the designated zone. This invisible fence for dogs covers up to a 6561ft radius (3105 acres), ideal for outdoor use. With adjustable range (49 6561ft) and a full memory function, setup is quick and hassle-free. It s interference-free, and when your dog is 10ft from the boundary, it only beeps (no vibrate & shock) providing a safe and humane warning system. A memory function retains your boundary settings after power-off, so there's no need to reset each time. With just a collar, the electric fence for dogs works no extra accessories or hidden costs. It offers 3 training modes: Beep (1 5), Vibration (0 9), and Shock (0 9), all easy to adjust. If your dog crosses the boundary too long, it activates Protection Mode to prevent over-correction, ensuring safe, humane training. No app, Wi-Fi, cables, transmitter, or subscription fees does this electric dog fence require only a collar receiver. It features simple button controls and is compact, lightweight, and easy to carry, ideal for travel or outdoor use like farms or beaches. The adjustable collar fits medium to large dogs (15-120 lbs), ensuring comfort, durability, and reliable performance wherever your dog goes. The GPS dog collar fence system features a 1000mAh rechargeable battery that fully charges in 2 hours and lasts up to 24 hours. The IPX7 waterproof design ensures reliable performance in all outdoor conditions whether it s rain, snow, sprinklers, or swimming. With this electric dog fence system, your dog can freely play in the water, grass, or rain without interruption.