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Every year, electricity waste is staggering causing by people forget to turn off the power switch, but Leverage switch adopts lever principle, making the switch being turned off more easily, and more difficult to turn on at the same time, Leverage switch design simplicity, low cost, suitable for mass production which make it more easily spread to every family, achieving the aim that called for people to turn the switch off in time, so that they live a more green and environmental friendly life to protect our planet.