* Effective and Safe Dog Fence System: Comes with buried wires and a wall transmitter, helps train dogs to form the habit of living in their own independent space, and keeps your furniture and daily necessities clean and tidy, especially keep your pets away. the uneasy feeling of living in a real fence. Ensure your dog stays within the specified and safe area, you will never have to worry about anything when you go out. It can be widely used for dog training at home or on excursions. *Adjustable Control Range: The electric fence allows you to control the boundary width by adjusting the knob. Customizable range up to 1.2 acres/5,000 sq. meters. The wire break warning can tell you in time if the wire is broken. The red low battery indicator prompts you to replace the collar battery, otherwise it will cause intermittent operation. *Automatic Dog Training: The collar works automatically once you install the system. It will send a beep and shock when your dog tries to cross the boundary