🎖️ Pro Kit Includes: 1 digital transmitter, 1 STUBBORN dog collar (with adjustable strap, 2 sets contacts, rubber comfort tips,7.5v battery), 1000' of boundary wire, 50' of 16 AWG twisted wire, 50 flags, 2 splices, 10 staples 🎖️ Stubborn Collar: 9 different correction levels, set independently on each collar, as well as a beep only training level. Ideal for Stubborn/Bull-Headead dogs. The strap can be adjusted to fit necks from 6 inches to 26 inches 🎖️ Coverage: This kit will provide coverage for up to 1 acre, with the 1000' of included heavy duty boundary wire and 50' of 16 gauge twisted wire 🎖️ Guarantee: Our underground dog fence includes a 1 year warranty. When you register your fence, your warranty extends to 5 years. This fence Will contain your dog and has been manufactured for more than 25 years and carries a stellar reputation 🎖️ U.S.A. : Extreme Dog Fence is manufactured in the United States with imported parts. We offer american based customer service for support for all of our products The eXtreme Dog Fence is a "do it yourself" electric dog fence system.The digital dog fence indoor transmitter is able to run on 2 different frequencies to help avoid interference with neighboring fence systems.The high tensile dog fence outdoor boundary wire is covered in a protective polyethylene jacket that is designed to be UV resistant.Your dog fence collar is waterproof and able to accommodate small dogs or large dogs.Each dog fence kit comes with detailed installation instructions in the training manual.This is a heavy duty dog fence and is comparable, if not better than a professional installed electric fence for dogs.Customer support is standing by to help ensure your in ground dog fence installation is easy and successful.Choose the better alternative to a wireless dog fence. The eXtreme Dog Fence will keep your pet safe and contained.