The worlds thinnest door lock
This is the Samsung Ezon SHS 1210, it is a digital door lock and it is supposed to be the thinnest door lock of its kind. It measures a tiny 21.5 mm thick and made from an aluminium alloy, which gives the device strength and durability.
The cover is black strengthened glass; the numbers will only light up after the control button has been pressed. As for safety features, the lock can withstand electric shocks of up to 30,000 thousand volts. It can also be opened with a T Money Card, Credit Card and an old fashioned Key Tag too.
Source [Tech Fresh]

















