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These little alarms are so easy to set up in minutes. Simple on off. The noise is certainly loud enough to wake a household if they go off. If you want it even louder put 2 on doors. Unless you are alarmed to an expensive security company these do a good enough job to alert you.
Verified purchase: Yes | Condition: New
The price you pay for the amount is good. However, some of the alarm sensors did arrive defective. One of the alarms didn't ring properly when activated and the other would not stop ringing. The ones that do work are good.
Verified purchase: Yes | Condition: New
Does exactly what it's supposed to do. Great value, batteries included. Used them on my windows and doors. Really fantastic purchase. Thanks
Verified purchase: Yes | Condition: New
Bought to use on my cellar after it was burgled. Makes a very loud noise, definitely send an intruder running
Verified purchase: Yes | Condition: New
These alarms are very simple stick-on devices for any opening door, window, etc. The alarm goes off when separated from the magnet, and turns off again when in proximity (unlike a full alarm system where the alarm will continue to sound even if the door/window is closed immmediately), But for the price they are useful devices. I had to write "On" and "Off" in indelible marker to make the switch positions more obvious. If you want a cheap solution, I can recommend them. Cheap LR44 replacement batteries readily available in quantity via eBay.
Verified purchase: Yes | Condition: New