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anti theft sensor

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Related Hot Products: security anti theft, anti theft keychain

anti theft sensor Customers Reviews

  • GSM Alarm with 18650 battery

    posted by jlogres

    It took only one charge for charger to stop working and I had problems to charge it with other USB devices for some reason.So I took the risk and open the alarm (it was easy) the battery in fully charge is 3.15V and they say 350mah so it has the same voltage with one 18650 battery , I cut battery wires and connect them with a 18650 battery holder and close it again (see pictures).Now its working fine and with a good 18650 battery it holds around 40 to 50 days.Of course now I have to charge battery separetely from the alarm
    Nothing other
    Buy it
  • Very effective

    posted by navara

    - Small enough
    - Very high dB in comparison with 1-2 $ items, can be heard throughout the home
    - Remote Control function
    - Easy battery change
    - Easy installation
    - 9V. DC entry
    I think it is very good item with this price to sleep at home safely.
    Recommend all, because this is a good choice between expensive alarm systems and very cheep ones.
  • works great

    posted by gostskull

    so they sent me one it was defective on arrival: they replaced it without a hassle, i received my new product without having to re pay, and am really happy with it. i put it on my window and it fits nicly, if i open it a few cm it will not ring which is great, and its extreamly Loud
    get 5, entire security system will cost you less then 10$
    its great. thise things can be priced at usually about 15$
  • It is a nice product

    posted by edguadalupe

    It is nice, well made, easy to use. The sound is okay and it does the job. I would say it is perfect to be used in the garage or places like that. You will get what you are paying for, so keep in mind that you are paying 13.30 dollars. :)
    It is very nice and it worth the value. If you don't like it, you can give it as a nice not expensive gift.
    I recomend it ! You won't get disapointed ( I hope....lol).
  • Great, but doesnt work with charger connected

    posted by whateshop

    Great, working as described. Only thing you need is to insert sim card (without PIN code I think) and call that sim card from your phone. Afterwards the number is connected with your PIR device and you can START and STOP working the device with 1 SMS.+ very sensitive
    It would be great if it would be able to work activated by sound. Now only PIR is present.
    It is very good and cheap, have not tested the battery yet...But as always chinese sentences and manuals are very funny ;)


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