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Time Whistle combines functions of electronic watch, indicator and whistle together. It can not only record the regular time and injury time independently, but also remind the referee about the ending time by indicator. This product meets several functions during football game. The referee need not wear watch and hang whistle at the same time, making the game more comfortable and easier.
Dalian Nationalities University
School of Design
Dalian, China
Weijian Cui,
Dalian Nationalities University
Yanwen Wang,
Dalian Nationalities University
Yunsen Wang,
Dalian Nationalities University
Gele Aori,
Dalian Nationalities University
