beyond the blue
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- Name
- Neil
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I have given this some thought before posting on here and can't get my head around it, so feel free to have a laugh at my expense..... I have just installed a stand alone radio controlled shed alarm and I'm quite happy with it apart from the siren volume. It has a 120db siren, when you are inside the shed it is quite loud but away from the shed it wouldn't attract too much attention. Now, if I were to fit another identical alarm (something I am prepared to do because it would confuse the intruder) what would the combined volume be? Would it be twice as loud?
