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Double Protection / Lock

Double Protection
Double Protection

People always make precocious stuffs well locked such as houses and vehicles. However, isn’t the unlocking key important?
Double Protection is a key dedicated to a password lock with double security for precious stuffs. When this key is lost, you don’t have to worry it will be copied or stolen by others. It is a lock functioned with 3 numerical strings of different passwords from 1 to 9 for each numerical string.

University

Far East University

Far East University
Chiayi, Taiwan

Huang Ching Kai,
Far East University

Wang Chih Kang,
Far East University