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Have you ever walked into puddles or tripped by a stone because of the unideal vision on a dim raining day? But this umbrella lamp will help you avoid such misfortune. There is a swivel part from which you can adjust the direction of the lamp automatically, so that no matter it is on a raining day or at night, you can walk as relaxed as usual.
zhejiang sci-tech university
fei zhang,lailai yu,wanli chen