描述
- 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)
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.