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At night, people often can't get what they want because of the darkness. Sometimes, they also need to turn on the headlight, which is not only very troublesome, but also extremely power-consuming. Therefore, this kind of small light can help people find what they want at night, but not very power-consuming.
Zhanjiang City Guangdong Province
Guangdong Ocean University
Zhanjiang City Guangdong Province Guangdong Ocean University