The lock was invented in ancient Egypt. The Romans and Greeks supplied the first improvments. The lock we know today was developed by Linus Yale in 1848. The skeleton key is gone for something more convenient but the pin and tumbler still serves us well.

With today's modern innovations such as key card readers, RF id badges, Biometrics as well as number pads and apps the lock needs something a bit less manual. The motorized lock is replacing the key in many applications.

Today we will look at the contrast and options as provided by one of the top manufacturers EMTEK.