Our products come with a 1 year warranty against any defects in manufacturing. If something goes wrong with your unit(s) due to a manufacturing defect during the first year that you have the unit(s), contact us at 1-800-657-8214 or 1-541-899-3226 and let us know. We will replace the unit(s) free of charge within the United States. If you are outside the United States, please contact us at 1-541-899-3226 and we will arrange with you a replacement of the defective unit(s).