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At first, when you plug in the socket or you turn on the switch, it not only power-consuming
but also power-saving in the process.
And then the design combines the light with swiych and socker.
For some situation such as the emergency or other, the switch and socker will light!
The power supply comes from the saving-electric power everyday.
A power switch
When you turn off the switch, it would still light for a while.
when electric power is cut in some emergy, the socker would light with power-saving in everyday!
National Taiwan Uuiversity of Scien
National Taiwan Uuiversity of Science and Technology