Wireless Electronic Dog Fence System - Keep your pet safe and secure! Convenient Wireless Design: No digging required! This system saves you time and hassle. The transmitter offers 8 intensity levels, allowing you to customize the perfect setting for your dog. 4-Level Adjustable Range: Choose from 4 levels of coverage. The radius from the transmitter's center is adjustable to 50m, 100m, 150m, or 200m. Give your dog the freedom to play safely without worrying about restricted movement or getting lost. Adjustable Collar & IP68 Waterproof Receiver: The collar adjusts from 8 to 25 inches, suitable for all dog breeds weighing between 10 and 120 pounds. The IP68 waterproof receiver lets your dog enjoy swimming, showering, and playing in the rain without worry. Rechargeable Collar: Features a built-in rechargeable battery for both the transmitter and receiver, eliminating the need for frequent battery replacements and ensuring long-lasting use. Supports Multiple Receivers: This system supports multiple collars, so you can purchase additional collars and easily add them to the system for multiple pets.