Features: Self-powered, inserted Tritium lamp insert that glows blue. Glass breaker tip for emergency preparedness and waterproof construction. Keychain hole and lanyard loop with an included key ring for easy attachment. Description: This Tritium Glow Fob from Glow Rhino 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. 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 as a keychain right away!