<p>Convenient wireless design: No need to bury wires, saving time and effort. </p> <p>The transmitter can be adjusted to 8 levels of intensity, you can find the level suitable for your dog.  </p> <p>4-level adjustable distance: There are 4 levels of adjustable coverage. The radius from the center of the transmitter is 50m, 100m, 150m, 200m. </p> <p>Your dog can play freely and safely without worrying about restricted activities or getting lost. </p> <p>Adjustable collar and IP68 waterproof receiver: The belt is adjustable from 8 to 25 inches, suitable for all types of dogs weighing between 10 and 120 pounds. The receiver has IP68 waterproof function, allowing your dog to enjoy swimming, showering and playing in the rain. </p> <p>Rechargeable collar: The transmitter and receiver have built-in rechargeable batteries, no need to replace frequently, convenient to use and long service life. </p> <p>Multiple Receiver Support: These devices support multiple collars, so you can purchase additional collars and add them to your system. </p>