5x80mm Tritium Tube Self-luminous 15-Years Keychain Green

Specification Product name 5x80mm Tritium Tube KeychainMaterial Tritium gasWaterproof 100mColor greenlight range 7 8cmWeight10gSize 5x80mmFeatures Tritium tracheal illuminated 15 years no batteries no accumulation of light It can be used in underwater 100 m can be used in harsh environment Tritium gas emitting techniques have been applied in various areas to civil Usage gifts or act the role ofing is tasted buckle in key string backpack mobile phone chain pet chain the head of a bed and so on In the KTV bar no dark place only you in the glow Package included 1 x 5x80mm Tritium Tube Keychain