The Fire Fly Handbearing Compass has been specifically designed for use in darkness and is the chosen instrument of numerous military forces throughout the world. It is the ultimate in night-reading functionality with integrally fitted Swiss Tritium light sources, enabling you to navigate in total darkness through the prism and from above. Highly accurate - this version of the handbearing compass is marked in mils. It is also 100% waterproof, durable, lightweight and compact. Features also include; non-slip rubber casing, soft bottom cell (to prevent bubbles and leaks), operational temp range of -20c to +60c, GTLS (light source) bulbs, five-year warranty extending to 10 with the integral GTLS compass. Water resistant to 50 metres. Size: 83mm x 33mm. Weight: 105g. Colour: olive green.
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