The idea was to have an audible alarm when somebody entered my shop. I have emailed Amazon, but not had a reply back, as they did not work. I have used the PSUs that came with them and used batteries.
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TrustScore 4.5 | 7,300+ reviews
Ayesha M.
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
Rajesh P.
Customer service was outstanding when I had questions about the product.
