Researcher has developed, at a cost of less than one dollar, a wireless light switch that runs without batteries, can be installed anywhere on a wall and could reduce the cost of wiring a house by …::A U of A engineering researcher has developed a wireless light switch that could reduce the cost of wiring a house by as much as 50 per cent.

  • Buck
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    51 year ago

    I use something like this for my wireless doorbell because people kept stealing the battery. I’ve had it for years and it works really well.

    • @luluApples
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      211 year ago

      I know times are tough but who TF out here stealing batteries

      • @ForgotAboutDre
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        71 year ago

        It’s probably someone in his house. They either think the door bell is too loud or need the batteries for another device.