Q. What size dog does Heyrex suit?

The Heyrex monitor comes in one size and is designed to work on all breeds of dogs

Positioning the Collar on Your Dog
Attaching to a Clip collar
Attaching to a Buckle collar

Frequently Asked Questions

Here’s a place to find common questions about Heyrex. If there’s anything that you can’t find here, please Contact Us.

Distribution Partners
Heyrex History
Why we made it & the Heyrex story.