Eye Detekt will be free from defects in material and workmanship or design under normal use and service for a period of one year from the date of purchase. The obligation limited to repairing or replacing the unit or any part which we find to be defective in material, workmanship, or design, free of charge to the customer. This warranty shall not apply to the unit if it has been damaged, modified, abused, or altered after the date of purchase.