When two test leads are placed in a glass of water, for example, the kit will produce a blue sound for the speaker.
- circuit board dimensions 41 x 27 mm
- works even with a 9V clip-on battery
Note! The battery charger in the picture is not included.
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FK910
10 Item Items
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When two test leads are placed in a glass of water, for example, the kit will produce a blue sound for the speaker.
Note! The battery charger in the picture is not included.
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