Knock knock
January 26th, 2006 | by dnw | 
Here’s one from left-field. Even though this device is designed for a car, it holds some interesting possibilities. Like, for instance connecting to a electronic door strike as a way to enter the house.
Knock-In-Key is the World’s First Back-up Entry Key for your car that requires no external devices, keys or RF signal emitters. Made in Germany and very secure, all you need to do is KNOCK ON THE WINDOW or panel with your own code to unlock your vehicle.
via dstore
