This Tritium Glow Fob makes the perfect accessory for any item. This model has a black Nitride finished, CNC machined steel casing that guards the illuminated Tritium lamp that glows green. Don't waste time trying to find your gear in the dark! This fob is self-powered and works great on any outdoor gear, backpack, keys, etc. The end is forged in to a solid glass breaker tip. Included is a black key ring to attach right away! Features: Self-powered, inserted Tritium lamp insert that glows green. Glass breaker tip for emergency preparedness and waterproof construction. Keychain hole and lanyard loop with an included key ring for easy attachment.