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Tritium Gas Fluorescence Key Chain Autoluminescence Rescue Emergency Light

Small glass tube containing a small amount of gas seal – tritium, tritium gas emitted electrons excite phosphor coating, emit light, and compared to other similar fluorescence keychain, the biggest advantage: You can use the 100 meters underwater, you can in harsh environments.

Titanium Alloy Tritium Gas Fluorescence Key Chain Autoluminescence Rescue Emergency Light

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