The most I hate about keychain lights is their short lifecycle. The Mini Tritium Glowring Keychain wins my heart by having the ability to glow continuously for 10 years!
It’s perfect. Completely contained and self-powered, with a compact design and an ultra bright green glow (hello night clubs). And it’s for less than $10!
According to wikipedia,… Read More: http://www.trendhunter.com/trends/tritium-glowing-keychain/