
My 9 month old puppy is still peeing inside the house, especially in the basement. I tried using many techniques but not successful. So I put this sensor next to the stairs down to the basement. Now, whenever he tries to go down, I will follow him to make sure that he does his business in the backyard, not in the basement. The sound is loud enough for my 1200 square feet apartment. I originally bought 2 bells, but just needed to use one.

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