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 ...
ualberta.ca
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.
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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.
I know times are tough but who TF out here stealing batteries
It's probably someone in his house. They either think the door bell is too loud or need the batteries for another device.
Ah yes those "other devices"... check the wife's nightstand