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4.97 out of 5
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  • 04/04/2018

    Fast delivery, good packaging, very good product.

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  • 31/01/2018

    quality product, it's ok works well, I recommend

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  • 30/03/2021

    received in a good condition and short delivery time

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  • 21/01/2021

    received on 21/01/2021, everything ok

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  • 20/02/2018

    As soon as received it I've powered it and put the three wires in water. It works as described. Common wire at the bottom of the tank, when the upper wire touches the water the relay toggles and then toggles back only when the lower wire is out of water. Adjusting the position of the wires you can easily choose the positions when starting to pump and stop. Of course if you want to feed a big pump with amps the relay is too weak and it'll be considered as a driver for a bigger one, but that's not a problem. It's a 5 stars device for sure!

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  • 27/01/2019

    just what i needed for draining the bucket of condensation water from my heating system. A floating switch keeps on going on and off. With this gadget you can adjust the hysteresis bij lengthening or shortening the upper level wire. Its very accurate as well. Again, just what i needed and for very little money.

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  • 18/01/2017

    Just what i needed for draining the bucket of condensation water from my heating system. A floating switch keeps on going on and off. With this gadget you can adjust the hysteresis bij lengthening or shortening the upper level wire. Its very accurate as well. Again, just what i needed and for very little money. Thanks Banggood

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  • 01/08/2018

    Item well received and works as stated. Applied this to DIY a detector system to control the sewage water level by this sensor. But this item should be added a time delay option for starting or cut off the electricity. Or else the application will be limited.

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  • 27/08/2019

    works well

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  • 16/08/2020

    excelen products used for drains, and water tanks. connect it to an alarm and it will sound with the tank is full or empty

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