Introducing Time Capsule. Automatic wireless backup for your Mac. Time Capsule is a revolutionary backup device that works wirelessly with Time Machine in Mac OS X Leopard. It automatically backs up everything, so you no longer have to worry about losing your digital life. Time Capsule is also a full-featured 802.11n Wi-Fi base station. Every computer in your house can work off a wireless network at blazing speeds. And they can back up wirelessly to the same Time Capsule.

Unit is sold with power cord. Works perfectly!!