Extreme Dog Fence Stubborn/Hyper Dog Add-On Receiver Collar 9 Correction Levels, Waterproof, Large & Medium Contacts Included for Strong-Willed Dogs 20–220 lbs

The eXtreme Dog Fence Stubborn / Hyper Dog Collar is engineered for dogs that require stronger, more consistent boundary reinforcement. Ideal for dogs weighing 20–220 pounds, this receiver collar delivers powerful correction in a compact, lightweight design that won’t weigh your dog down. Each collar can be programmed independently, allowing you to customize correction levels for multiple dogs on the same system. With 8 correction levels plus a tone-only training mode, you can gradually train or reinforce boundaries based on your dog’s needs. Powered by a 7.5-volt lithium battery, the collar provides reliable performance with an average battery life of 3–4 months. Battery replacement is quick and simple using the easy-access compartment. Unlike many collars on the market, the eXtreme Dog Fence Stubborn Collar is fully waterproof and submersible, making it perfect for active dogs that swim, play in rain, or work outdoors. Built with American craftsmanship and attention to detail, this collar is a dependable add-on or replacement for your Extreme Dog Fence system.

• 🐕 Built for Stubborn & High-Drive Dogs: Designed specifically for strong-willed, hyper, or hard-to-train dogs, this eXtreme HYPER replacement collar provides stronger, more consistent correction while remaining lightweight and comfortable for daily wear.
• ⚡ Fully Waterproof & Submersible: Unlike water-resistant collars, this receiver is 100% waterproof and submersible up to 10 feet, making it ideal for swimmers, hunters, and dogs that love wet conditions—without impacting correction strength.
• 💦 Waterproof: This Collar is Not Only Waterproof, but Also is Submersible Up to 10 Feet Deep. Water Won't Impact the Collar's Function or Correction Strength at All
• 🛡️ Comfortable & Safe Contact Options: Includes two stainless steel contact sets (Medium & Large) plus metal-infused rubber comfort covers to help reduce skin irritation while maintaining reliable correction contact.
• 🇺🇸 Proudly Made in the USA: While many DIY dog fence components are made overseas, this collar is manufactured in the USA with imported parts, delivering dependable quality and performance you can trust.