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Time-Delay Switch / housedhold

Time-Delay Switch

This switch is divided into two parts.The top part is the time-delay switch .When it closes,the light with around switch appears blue.It will become red when the time delaying functions is opened by touching the sign such as 5-minute or 10-minute.Just five or ten minutes later, the light and the light with will be automatically shut off.We should note that the two touch buttons are effective only when lit up.The lower part is the normal switch。there is a little icon which glows dark blue,you can find it easily in the dark and does never not influence negatively on sleep.You are not worry about forgoting to turn off the light anymore.

University

Tianjin University of Technology

Tianjin University of Technology
Tianjin, China

Shuai Han,
Nanjing Normal University

Yingxia Tian,
Nanjing Normal University