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Time-lapse switch/Switch / switch

Time-lapse switch/Switch

It can benefit energy saving ,especially for the people who have a habit of keeping lights.Time-lapse illumination can prevent people injuries ,especially in the process of going to bed in darkness


Shenzhen university

Shenzhen university
Shenzhen, China


Shenzhen university

Shenzhen university
Shenzhen, China

Hui Wen Shuqi Li Haiping Chen Chaoyan Chen