Customer Reviews: Read 3 more reviews...
 Nice when it works, but erratic November 3, 2008
JCK (Cincinnati, OH USA)
This is a basic door knob alarm. The idea is that you hang it over the inside of a door and when the door opens, the vibration sensor will set off the alarm. The alarm has two settings - an incredibly loud wail to scare away intruders and wake sleeping residents and a quieter but still reasonably loud chime to announce that the door has been opened. (The second alarm is about as loud as a loud doorbell). br / br /We got this for our toddler's room, in order to alert us when she got out of bed. After a few weeks, we took it off. When it worked, it was fine, but about 50% of the time, she opened the door gently enough that the alarm didn't go off. If it was a little more sensitive, it would have been great for us, and it would probably be fine for a "sticky" door that can't be opened smoothly, like a weatherstripped exterior door.
 unusable! July 10, 2008
avid reader
2 out of 3 found this review helpful
Very disappointing - this door alarm is waaaaay too sensitive. It will go off for no apparent reason, and there is no way to adjust the sensitivity. It is very loud but there's no way you could turn it on and then go to sleep or leave the house. It would go off and wake you up or go off and disturb the neighbors. Please don't spend your money on this product! I gave it one star because that was the lowest rating I could give - it really deserves zero stars.
 Great but not "Perfect" July 5, 2008
William M. berger (ft. laud florida)
1 out of 1 found this review helpful
i bought a couple of differnt types to experiment, and this 1 is the loudest most ear piercing 1 of the bunch...i hang it on my sliding glass door arm brace, and there is NO way someone is getting in without making alot of racket...the only thing that keep its from being perfect is that the knob hook is a hard plastic, and you can't use it with door knob braces, you have to use an alrm that hangs with a chain or soft cord
 If They're up to No Good This Thing Will Stop Them! July 5, 2008
Willis
I got this because my former supervisor at my old job just cant get enough she tries to come pick/bump our locks. After moving 900 miles across the country, 3 months after we moved into our apartment we started noticing our deadbolt unlocked. We wanted to see if we were simply forgetting to lock it or was someone up to something. Sure enough at 4 am the day after we installed this it started going off. I estimate the sound to be at least 120 decibels; in the next room! It was soo loud we had to cover the speaker with some tape to keep from waking up all 12 units in our building! So far the lock picker has stayed away recently. Great for seniors who may be hard of hearing!
Cheaply made, sometimes works July 3, 2008
01010101 (HOCKESSIN, DE USA)
2 out of 3 found this review helpful
I had to throw this away after trying it. It looks good in the photo but it is flimsy and unreliable. Sometimes it would work when moved; other times you could slam the door and even shake the alarm and it would still be silent. So if it can't be counted on to work every time someone opens the door, it can't be counted on at all, right? Don't waste your money on this one.
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