emergency glass glowing keyring tube underwater

Keyring Glow Fob

Keyring Glow Fob
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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 protection shell,Can be used in underwater 100M.
Size: length:35mm ,diameter:9mm
Hernia tube size: length:25.5 mm ,diameter:3mm
luminance: 500UL Time: autoluminescence 25 years(Without any external energy)
Camping prerequisite products, worth get it. (Package: 1 pcs)

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