This key ring with tritium gas tube inside which is self luminous and beautiful in the dark. It is a great decoration to attach to your backpack, key chain, belt loops.
Features:
Tritium gas tube inside, self luminous, bright and visible in the dark.
Long life span, glows continuously for 15 - 25 years.
Hollow-out titanium alloy housing, extremely durable and lightweight.
With a ring to attach to your backpack, key ring, belt loop, etc.
Compact and lightweight, no external power required, very easy to use.
Specifications:
Material: Titanium alloy & Tritium gas
Color: Blue / White / Green / Red (optional)
Overall Dimension: 9 * 33mm
Weight: Approx. 5g
Package List:
1 * Key Ring