Doberman Security Entry Defence Alarm - 2 Pack Security Alarm, Black/Silver (SE-0109-2PK)

so I recently purchased from Amazon a Doberman security door arm and basically it sticks to your door and over here the little piece is a magnet and it has on/off switch on the side and you switch it on and basically they're aligned right now with the alarm and you see the four notches along the side I wind up with the magnet I bought this off of Amazon some of the reviews said that this wasn't very loud and I have to disagree it's pretty loud and anyway the alarm runs off of three Triple A batteries and again when the magnets are lined up it won't go off but if somebody tries to break in or you try to keep a toddler out of a cabinet or something like that when the the magnets are broken as you can see it's pretty loud so I don't know what the the people on Amazon we're talking about when they said it was quiet but if somebody tried to break in I think it would startle them enough to wh