Check the listing for details. ***REPAIR SERVICE*** Apple Duo Dock Power Supply QS 3359-09-001. Listed at 84.99 USD. Description This is for repair service for one Apple Duo Dock power supply.. Repaired power supplies are guaranteed for 90 days. YOU ARE NOT BUYING A POWER SUPPLY!!! YOU ARE SHIPPING YOUR BROKEN POWER SUPPLY TO ME FOR REPAIR!!!! Ignore the handling time, I will return it to you one business day after your power supply arrives here. I have to set a long handling time to give you enough time to send your power supply to me. Otherwise, I would be dinged for late shipment. Simply hit buy it now, and I will give you instructions on how to ship your power supply to me for repair. I will fully refurbish it so that it will be better than new, and return it. The turnaround time is 1 day from when I receive it to when I will ship it back to you. Each power supply is inspected, repaired, cleaned, and tested. In addition to repairing the immediate problem, a number of other failure prone components are replaced regardless of whether or not they have failed yet. This will help to insure a long, and trouble free life. In the box You are buying repair service for one Apple Duo Dock power supply. Shipping Buyer is responsible for shipping the power supply to me.