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Many people still drunk drive by ignoring the law even if they all know the dangers of it, leading to the heavy casualties. This key solves this problem dexterously. When detecting the overproof driver, this key will stop working and send a message to his relatives and friends, telling them to taking him home. This action can prevent the hardards of drunk driving.
Guangzhou Academy Of Fine Arts
Guangzhou Shirui Electronics Co., Ltd.
Zongjie Li Wuxu Liu Xiaojuan Zhou