Q. What is the maximum temperature Heyrex works in?

Heyrex works in any temperature, in any natural environment. That means that Heyrex can monitor your dog anywhere!

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.