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Emergency LED doorknob / doorknob

Emergency LED doorknob
Emergency LED doorknob

Emergency LED doorknob: LED emergency flashlight is integrated into the doorknob and powered by lithium battery; it adopts photosensitive control and will light up in the dark. In case of emergency accidents and power cut, it can be easily dismantled and used as a LED flashlight, convenient to take along and humanized.


Dalian Nationalities University

Dalian Minzu University
Dalian, China

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