Heliograph Signal Mirror With Whistle

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  • $10.99
  • Regular price $21.98
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100% brand new and high quality.
It is especially suitable for long-distance communication in the field, and transmits a survival signal.
It's a mirror but not just a mirror.
The longest transmission distance can reach more than 100 kilometers.

Material: Acrylic
Color: black
Size: 55*55*7mm

Package Include:
1 x mirror