I was using it to keep birds off my sailboat mast. Cleanrth asks for 8 days to make an impact. After 7 days, there was no improvement, but the birds figured out how to knock it off the boat, so it must have annoyed them at least. The batteries were laying on the deck and the base was still mounted. The unit was gone overboard. I suspect I didn't clip it on properly - or at least that is what I would prefer to believe. I'm not spending another $75 to see if it would eventually work. I've resigned to soap and deck brush for now.
Verified purchase: Yes | Condition: New
Birds land on it. It does not deter birds.
Verified purchase: Yes | Condition: Pre-owned
This is the 2nd one I bought, it very helpfull in repelling birds. Excellent product
Verified purchase: Yes | Condition: New
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