This nifty RFID Digital Door Lock from ThinkGeek is essentially “pickproof as it has no keyholes and comes standard with a night deadbolt function which disables all external functions, allowing you to sleep safe and sound.” Video after the break. Click here for first picture in gallery.
The built-in alarm will deter thieves at the door itself, if the door is forcefully entered. Also includes an imaginary PIN and an external forced lock feature which prevents unauthorized opening through the mail slot or window. Set by default on automatic locking mode, you can change modes to have your door lock manually