1pcs Trit Vials Tritium Self-luminous Keychain 15-Years 5x100mm

Specification Product name 5x100mm Trit Vials Tritium Self luminous KeychainWaterproof 100mColor greenWeight 20gSize 5x100mmQuantity 1pcs Features Glows continuously for 15 yearsBright and visible unique clear white glowCompletely contained and self poweredPerfect for space flight and aviation instrument war industry and collimator Or decorations horologe luxury and glasses Package included 1 x 5x100mm Trit Vials Tritium Self luminous Keychain