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SLOW / switch

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This is an adjustable switch.The below button is to regulate the time.If we turn off the light,the light will gradually closed in this period of time.In order to protect our vision,and we have the time to act.The bottom of the switch have a hole to receive voice.When the voice continued to less than 40 dB In 30 minutes,the sound sensitive resistors to work.Then it is less light and in the energy state.Because the current is gradually changing,there is minimal damage to the bulb.So there will be a longer life bulb.

University

Jiangnan university

Jiangnan university
Wuxi, China

Design

Jiangnan university

Jiangnan university
Wuxi, China

Fan Jian Jun