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whoop-whoop machine / lifestyle

whoop-whoop machine
whoop-whoop machine

Criminals are often active at night.because of poor sight.It will rise the rate of crime.when people are in danger.because fright and stress,victim usually cannot yaling to ask for help.at this time was very dangerous.
This product is usually hung on the chest like a necklace.when you need it. pick up and talk it.It can enlarge the volume.can deter each other.

University

Dayeh University

Dayeh University
Changhua, Taiwan

Design

Dayeh University

Dayeh University
Taipei, Taiwan

Shin Ting/ Ho

Design

Dayeh University

Dayeh University
Changhua County, Taiwan

Pei yu / Chen

Design

Dayeh University

Dayeh University
Hsinchu County, Taiwan

Sheng chun/ Wu