DX  » Community » Reviews » Vibration Activated 120dB Bicycle Anti-Theft Security Alarm
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  • 5 Star:274 (27%)
  • 4 Star:477 (47%)
  • 3 Star:132 (13%)
  • 2 Star:71 (7%)
  • 1 Star:71 (7%)

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87% of customers would recommend this product to a friend.

    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Very Sensitive Anti-Theft Security Alarm (2nd Purchase)

    posted by Capricor on 10/08/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    1) Very sensitive to movement 2) Loud enough 3) Non-rust 4) Light Weight 5)Low Cost 6)1of 3 got free battery
    Cons:
    1) Easy broken by hammer 2) No solar power needs battery 3) Not much security and mounting screws 4) 1 out of 3 need re-solder ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    tolerable. not bad for an alarm

    posted by 7clints on 05/26/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Simple design. All products use the same key. I think you can not 120 dB, 90 dB is about the real volume. No delay, thus openin...
    Cons:
    VERY loud (multiply that by 100 times). This is good. - Thief cannot disarm the alarm without the key - Smart circuitry inside ...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Good security alarm

    posted by sailamaarit on 02/17/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    Loadly enough to be effective anti-theft security alarm. Prevents thefts of bikes, but can also be used as security alarm for example at home door because of high dbs. In principle good alarm. very easy to use. Just put 9A battery in, then key in and turn i...
    Cons:
    But, there are also worse ones among these alarms. 1/3 of these alarms did not function because of broken metals or cables insi...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 2
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Cheap alarm

    posted by madmax1981 on 01/25/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    I bought this bicycle alarm to scare the thieves. It has a good sound intensity, not very loud but it is OK. It has a key, which is better then the models with a code because you don't learn any codes and the energy consumption is lower. The batery (not in...
    Cons:
    Poor quality material. it is very fragile. not waterproof. i think that if you are a thief and hit the alarm with something it ...
    View Detail » 
    • Overall Rating: 4
    • Price: 4
    • Quality: 2
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Vibration Activated 120dB Bicycle Anti-Theft Security Alarm

    posted by dlaca on 07/08/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Reliable operation, deter the stranger. Reliable operation, deter the stranger. Easy to fit small space. The item is out of reach.
    Cons:
    Simple design. All products use the same key. I think you can not 120 dB, 90 dB is about the real volume. No delay, thus openin...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Works perfectly!

    posted by MarlonAtDX on 12/24/2011 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    Very loud, and good, usable, locking system. Also very sensitive, so don't touch your bike when it's activated. This has actually a nice effect, I have it on my bike and someone tried to steal my bike the other day. The alarm went off and he ran away! So, w...
    Cons:
    Did not fit well the first time, and is not waterproof. Needs some 'Do It Yourself', and make sure the 9V block doesn't hit the...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Cheap bike alarm

    posted by poulman on 08/04/2011 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month

    Pros:
    I bought this bicycle alarm as a replacement to another I had which was activated by three buttons (ABC). The previous alarm consumed the battery very fast, even when it wasn't at standby. This one has a key, so it is totally switched off when not needed. ...
    Cons:
    I was very disappointed by the siren. It's unbelievable weak. Its noise isn't noticeable from a near distance. Also, there are...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    One word - PERFECT!

    posted by dexuser on 06/30/2011 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    - VERY loud (multiply that by 100 times). This is good. - Thief cannot disarm the alarm without the key - Smart circuitry inside prevents shrill alarm from wailing continuously the whole day when activated, thereby helping you to save battery life. - Compac...
    Cons:
    - None in my case.
    View Detail » 
    • Overall Rating: 1
    • Price: 4
    • Quality: 1
    • Ease Of Use: 2
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Cheap but doe not work!

    posted by lepreshaun on 01/23/2010 Certified Owner

    Involvement:General (knows how to use it) - Ownership:more than 1 month

    Pros:
    After some complains about delivery of the product I finnaly got 2 of those alarms. Both came with problems and did not work. I was tired of complaining about delivery so did not complain about geting a useless and broken product.
    Cons:
    The building quality is terrible and the material used is really bad. One of the alarms arrived with stuff inside broken and d...
    View Detail » 
    • Overall Rating: 3
    • Price: 4
    • Quality: 1
    • Ease Of Use: 3
    • Usefulness: 2
    2 DXPoints
    earned for this post
    too big

    posted by bhocewar on 08/06/2009 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    -Very loud, five seconds is enough to make you turn it off. -Very sensitive (see cons)
    Cons:
    -Too big, I cannot mount it on my bike in way to be discreet. -Too loud -Dx should include the battery -no instructions -...
    View Detail » 
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