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Undercover Color Guard / Nail Seal ,Alcohol Test Strips

Undercover Color Guard

There will be problems with safety, when female go to the PUB alone and don't know how strong her alcohol drink is.
Undercover Colors Guard can test out the alcohol concentration and show. If there’s any improper drugs been put into the beverages, the nails color patch will change the color on its own to warn .
All you need to do is to dip the liquid slighty with your finger, the Undercover Colors Guard will change it’s color that depends on the level of concentration of the beverages.


Tatung University

Tatung University
Taipei, Taiwan

Po-Chun LIN,
Tatung University

Nien-Ting Wang,
Tatung University