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3 Customer Reviews
The reviews are automatic translation.
Children's electrical work
On 2017-08-16 01:08:10
It is compact, very useful because it sounds loud at 1.5 V battery.
On 2016-12-28 15:40:29
I was hoping for electronic sound, but the sound of a buzzer ... I wish we had even more volume.
Production of water level detector
On 2016-08-28 16:50:28
The size of the sound used for alarm of the water level detector is also t
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