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V30 whistle — image 1

V30 whistle

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This is not a toy, this is a very loud emergency whistle. It is about 118 dBA (tested) loud if printed properly.

Rating
4.889 / 5
Likes
19
Downloads
334
Makes
20
Views
1,409
Reviews
9

Updated at source:

Model information

Category
Audio
License
GNU General Public License v3.0

Do not ever use it indoors without hearing protection.
You will damage your ears, with a chance for permanent.