1.5x6mm Tritium Tube Self-luminou Multicolor Butterfly Keychain

Specification:
Product name: 1.5x6mm Tritium Tube Self-luminou Multicolor Butterfly Keychain
Waterproof: 100m
Material: Tritium gas
light range:7-8cm
Shape: Butterfly
Color: orange,yellow,green,blue,red  (please choose the color you want )
Weight:5g
Size: 1.5x 6mm

Features:
Glows continuously for 15 years
Bright and visible unique clear white glow
Completely contained and self-powered
Great gift to firends and family as a decoration

Package included:
1 x 1.5x6mm Tritium Tube Self-luminou Multicolor Butterfly Keychain