The product of 140db is ahead of most similar alarms. I purchased 3 one for myself and one each for other ladies in my family, as it provides peace of mind just knowing that you have a personal alarm to hand. The only problem I have is that mine is attached to my key ring with many keys and other gadgets, so the pin has detached quite easily. However it the case of emergency you would not want to struggle to remove the pin, so not a real negative. I certainly would recommend this to women I meet walking their dogs in the (now darkening) evenings.
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