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Vapor is an intelligent window. The glass transparency can be changed according to time.The glass of Vapor can sense the temperature variation and change the transparency. It becomes transparent when the temperature rises in the daytime and non-transparent when the temperature falls at night. It is a window shade at night which makes the bedroom dark and enables you to fall asleep easily, and opens a window for sunshine in the morning and enables you to wake up quickly and start a new day.
Zhejiang University, Zijingang Campus