Firefly Super Kit Marker - Self Illuminating to mark Positions and Equipment

Firefly Kit Markers all vital equipment or positions to be marked covertly in darkness yet enable the user to locate them at close quarters without resorting to electric torches or chemical lights. Simple, reliable and very effective operational efficiency and safety are enhanced during darkness and low light conditions.
These Kit Markers will remain continuously illuminated for more than 10 years even during prolonged periods of complete darkness. No battery, switch, recharging or spare parts are required.
Light is provided by a GTLS (Gaseous Tritium Light Source) which provides a safe, reliable and self-powered source of light. Suitable for operation from -40C to 80C they will continue to work normally, even when used or immersed in water.
Supplied with Wire screw-clip for fast flexible attachment.