We value the relationship that we have with you, our customer. We will continue to work hard to improve product performance and customer service.  Many innovations and product improvements are a result of customer recommendations and ideas.  Since 1968, we've been acknowledged as the leader in the industry, and we promise that we will not sacrifice reliability, service or safety in order to compete. You can use our products safely with your dog. Tri-Tronics® backs its products with scientific safety studies conducted by veterinarians and physiologists at a major university.  These studies confirmed that the type of electrical stimulation used in products tested produced no adverse effects to the cardiopulmonary or epidermal system of healthy dogs. We want you to be completely satisfied. We encourage you to use your new Tri-Tronics® product with your dog.  If you are not completely satisfied within 30 days, we'll refund the product purchase price or credit your credit card, less shipping and handling. Contact Information email: support@tritronics.com Toll Free Phone Number: 1-800-456-4343 Copyright © Tri-Tronics®, Inc. 2004 All rights reserved.