This is not an iPod or iPhone on a door lock. It is called ArrowLock, a digital door lock with voice recognition capability and a key hole access for manual override in case of emergency.

Arrow-Lock-Revolution

The ArrowLock comes in three verbal programming languages of English, Spanish and French.  The Device is weatherproof, thus, you could use it indoor or outdoor.

What if you have a big family staying in your house? No worry, as the device could recognize up to 1,000 users (using the advanced mode).  It is powered by a 9 volt-battery backup with Satin chrome 626 finish.  The Arrow Lock comes with Three-year warranty. You could set the lock in easy or advanced mode. This elegant looking security lock is now available in United States.

For info on pricing, you could visit the site here.