Every sigma product has a production code stamped on the back. Sigma USA will replace any defective computer or HRM within two years of production WITH NO HASSLES. If a claim is made after the two year period, Sigma USA will replace product up to 5 years with proof of purchase. If proof of purchase is not available, Sigma will repair or replace defective products at a reasonable price.
All batteries and halogen bulbs are excluded from warranty coverage. Call for details on our rechargeable battery recycle program.