【2024 Upgraded Version】NBSUN newly released the 3rd generation of Wireless Dog Fence System adapted with a large colored LCD screen, provide user-friendly interface for easy setup and control. This innovative 2-in-1 system combines the function of a Wireless Dog Fence with a Remote Training Collar. The electric dog fence systerm with 2.4GHz signal technology, ensures stable and accurate signal transmission, signal easily penetrating walls without any interruption. 【Wireless Fence Mode】In wireless fence mode, one transmitter could be connected with multiple collars. The signal range extends from 50ft to 990ft in radius. If your pet run out of this designated area, the receiver collar triggers a warning tone, followed by a vibration and a gentle electrostatic shock (3.7V low voltage) to remind them back. Say goodbye to traditional boundaries and embrace the freedom of a wireless fence, allowing your dog to safely explore their surroundings. 【Training Collar Mode】Switch to remote training collar mode, this system could control up to four dogs simultaneously. The intuitive colored LCD panel clearly displays A/B/C/D dogs, select the desired dog and fine-tune the warning mode and intensity levels from 0 to 9. Tailor the training experience to your specific needs, and if you prefer a non-shock approach, simply set shock to level 0.