Firefly Keychain
There are a lot of geekystuff out there, which includes this one too! Introducing the Firefly keychain
Features
# Completely contained and self-powered
# Glows continuously for 10 years (even in 10 years of complete darkness)
# Super compact design
# Ultra bright green glow
# Perfect for tagging zippers (on tents, bags, etc), tying on keychains, flashlights, etc
Source : RGS
