All Miles Technology products are warranted against malfunction due to materials or workmanship for a period of three years beginning at the date of original purchase. If such a malfunction occurs during the three-year period, the product will be repaired or replaced, at the option of Miles Technology, without charge. If delivered to Miles Technology postage-paid and with authorization, the unit will be returned in working order with postage paid. This warranty does not extend to finish, appearance items, or malfunction due to abuse or ac power at other than the specified conditions, nor does it extend to incidental or consequential damages. The above exclusions may not apply to you. Repair by other than Miles Technology will void this warranty. In the event of a warranty claim, call for return information and authorization.