![Tritium Light Keychain Spiral Shape Stainless Steel Tritium Key Ring Includes 3x22.5mm Tritium Vial -blue - Springs - AliExpress Tritium Light Keychain Spiral Shape Stainless Steel Tritium Key Ring Includes 3x22.5mm Tritium Vial -blue - Springs - AliExpress](https://ae01.alicdn.com/kf/HTB1KPs0biDxK1Rjy1zcq6yGeXXaY/Tritium-Light-KeyChain-Spiral-shape-stainless-steel-Tritium-key-ring-Includes-3x22-5mm-Tritium-Vial-blue.jpg)
Tritium Light Keychain Spiral Shape Stainless Steel Tritium Key Ring Includes 3x22.5mm Tritium Vial -blue - Springs - AliExpress
![I got a keychain that uses the radioactive decay of Tritium (the radioactive isotope of hydrogen) to emit light. : r/mildlyinteresting I got a keychain that uses the radioactive decay of Tritium (the radioactive isotope of hydrogen) to emit light. : r/mildlyinteresting](https://i.redd.it/w8aszm9jxzi41.jpg)
I got a keychain that uses the radioactive decay of Tritium (the radioactive isotope of hydrogen) to emit light. : r/mildlyinteresting
![stainless steel key ring with tritium vials 3mm*22.5mm tritium key chain Automatic light 25 years|Wind Chimes & Hanging Decorations| - AliExpress stainless steel key ring with tritium vials 3mm*22.5mm tritium key chain Automatic light 25 years|Wind Chimes & Hanging Decorations| - AliExpress](https://ae01.alicdn.com/kf/HTB1PVNWuHuWBuNjSszgq6z8jVXab.jpg)