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Talking key / key

Talking key
Talking key

Do you often forget whether we have locked the door or not? Talking key is a key that will tell you about it.When the lock on the key is locked,it means you have locked the door before. If the lock on the key is not locked, you'd better go back home and lock the door.

University

Zhejiang University of Technology

Zhejiang University of Technology
Hangzhou, China

Design

Zhejiang University of Technology

Zhejiang University of Technology
Hangzhou, China

Jiayu Dai, Junchao Xu, Yu Li