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4.95 out of 5
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  • 15/01/2022

    These alarms are a God sent for every rc enthusiast, they weight almost nothing, so they won't add to your model. Very loud beep can be heard from a very long distance, excellent for rc planes and helicopters, I also use them to keep an eye on stored batteries as it tells you the voltage on each cell. Excellent product from Banggood as always, very fast delivery, very cheap and excellent product. Thank you Banggood for another excellent purchase.

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  • 05/12/2021

    Simple and efficient fully recommended

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  • 28/05/2021

    Well built items. Good to have two! Haven't tested yet.

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  • 18/07/2021

    received quickly thanks banggood, great for controlling the battery level and setting a lipo alarm . Simple but effective

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  • 04/06/2021

    The cheaper ones runn like the others👍😛 just no case around them but fonctional!

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  • 20/04/2021

    Perfect product and very good packaging. I will repeat purchase in this store

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  • 30/06/2021

    excellent product advice

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  • 08/03/2021

    The two pieces came in well and smoothly, they work properly.

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  • 03/02/2021

    perfect product

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  • 03/03/2018

    These small devices come in quite handy in order to check your 1S-8S batteries. They show the voltage of the overall battery, as well as the voltage of the single cells. Additionally the device also allows to set a quite loud low voltage alarm. Please see my 2nd attached picture for more details and a compact description about what the device offers.

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