Specification:
Product name: 6x15mm Trit Vials
Material: Tritium gas
Waterproof: 100m
light range:7-8cm
Color: green
Weight:5g
Size: 6x15mm

Features:
Glows continuously for 15 years
Bright and visible unique clear white glow
Completely contained and self-powered
Perfect for space flight and aviation，instrument，war industry and collimator.Or decorations，horologe，luxury and glasses.

Package included:
1 x 6x15mm  Trit Vials(1pcs)