This professional system includes limited lifetime warranty on both receivers and transmitters. If the product is determined to be defective, we will repair or replace it, at our discretion, at no charge. Customer must pay for shipping. This warranty is void if damage occurred because of misuse or if the product has been repaired or modified by anyone other than a factory-authorized service technician. Warranty does not cover normal wear and tear on the product or any other physical damage unless the damage was the result of a manufacturing defect. Damage due to battery leakage, water, sweat, corrosion, humidity, extreme temperature, chemicals, or any other external factor is not covered under this warranty.