Firefly MegaGlow safety markers allow equipment and positions to be covertly marked during low-light and darkness. Incorporating the largest light source available, MegaGlows can be identified or located at distances of up to 40m without resorting to electric or chemical lights. Simple, reliable and effective, operational efficiency and safety are enhanced during darkness.

• Uniquely reliable trigalight® light source
• Uses the largest trigalight® GTLS available
• Continuously illuminated for more than 10 years
• No batteries, bulbs or switches
• No charging by ambient light
• Lightweight, compact and easy to use
• Split-ring included for secure attachment
• No heat signature
• Reliable in all climatic conditions