Lifetime Free Replacement $24.95: (Valued at $107) Add the Lifetime Free Replacement Warranty to your heart rate training strap. We will replace it if ANYTHING happens to your strap and it stops working, (even if the dog chews it up). Also an extra bonus if anytime for the life of this product the battery goes dead we’ll send you a new battery for FREE. (Click box to add this One-time offer)