Specification: Product name: 5x 100mm Trit Vials Tritium Self-luminous Keychain Waterproof: 100m
Colour: green Weight:20g
Size: 5x 100mm Quantity:1pcs
Features: Glows continuously for 15 years Bright & visible unique clear white glow Completely contained & self-powered Perfect for space flight & aviation, instrument, war industry & collimator. Or decorations, horologe, luxury & glasses. Package included:1 x 5x 100mm Trit Vials Tritium Self-luminous Keychain