This Unit was purchased in May of 2013, and used for 1 month.
I don't have the box anymore, but any apple user should be able to config this unit pretty easily.
It features simultaneous dual-band 802.11n Wi-Fi, the Apple AirPort Express MC414LL/A 2-port wireless router enables you to create a high speed wireless network using your Mac, PC and iPhone, iPad, iPod touch. Integrating the setup assistant, this Apple AirPort Express wireless N router is easy to set up and use within minutes. Moreover, you can wirelessly stream music via AirPlay and take printouts from anywhere in your home, using this Apple AirPort Express wireless N router. Thanks to this 2-port wireless router you can also extend the range of your existing wireless network. What's more, the built-in firewall in the Apple AirPort Express MC414LL/A protects your data from malicious Internet attacks.