FIREFLY Kit Marker - BLUE

A Firefly Kit Marker is a compact, self-illuminating marker used by military personnel, outdoor enthusiasts, and emergency responders to identify equipment, zips, or locations in total darkness without using electric torches or active chemical lights (cyalumes). 

Key Features & Specifications -

• COLOUR - BLUE
• Illumination Technology: Powered by GTLS (Gaseous Tritium Light Source / Trigalight®) capsules. They do not require batteries, switches, or charging from sunlight/ambient light. 
• Lifespan: Continuous glow for 10 to 12+ years due to the natural decay of tritium.  Visibility: Visible to the naked eye from distances up to 25–35 meters in darkness.  Construction: Features 1 or 2 tritium vials sealed inside a high-impact, waterproof clear V0 polycarbonate housing. 
• Attachment: Fitted with a corrosion-resistant threaded wire screw clip for easy attachment to gear. 
• Dimensions & Weight: Compact size (approx. 25–29.5 mm in length, 10 mm diameter) and extremely lightweight (5–6 grams). 

Tactical & Field Marking: Marking key zippers on Bergen rucksacks, Bivvy bags, sleeping bags, or medical pouches so critical kit can be located quickly in low-light environments without compromising position.  Covert & Position Marking: Marking tent entrances, trip hazards, key route points, or team members during night ops.  Outdoor & Everyday Use: Attaching to keys, torches, dog collars, or camping gear for quick night identification.