high frequency noise machine insect repeller

Discussion in 'OT Technology' started by Jimmy Jockstrap, Jan 30, 2007.

  1. anyone got one of these. They supposedly emit a noise that is very annoying to pests but unheard by humans.
     
  2. 4W4K3

    4W4K3 New Member

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    I'd definetly try to test w/e you buy. My mother bought some of these that plug into the wall, I could hear them all around the house. It was so annoying. She couldn't hear them, I could. Ended up returning them. I guess some people can and others can't, no way of knowing why.
     

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