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Guard-ring / Ring

Guard-ring
Guard-ring

Has a loud noise (greater than 90db)
Light (greater than 100 lumens)
And In the light into a camera and light source
Perform camera functions
Record appearance of prisoners
Women confidence and effective deterrence to criminals

University

MING CHUAN UNIVERSITY

MING CHUAN UNIVERSITY
Taoyuan County, Taiwan

Design

MING CHUAN UNIVERSITY

MING CHUAN UNIVERSITY
Taoyuan County, Taiwan

Lin, Yu-Hao ; Chu, Fang-Su