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at night ,it may difficult for the deaf to see the sign language , "SIGN LANGUAGE LAMP" is a bracelet light designed specifically for the deaf . we can open the light. As well as the SOS when facing with troubles , rescue lights (SOS), which can facilitate their nightlife.
Yanshan University
Qinhuangdao, China
Zhihong Li,
Yanshan University
Zhiwei Liu,
Yanshan University
Chunlei Shi,
Yanshan University
Kun Zhao,
Yanshan University