Cammenga 3H Tritium Compass Lensatic Northern Hemisphere Olive Drab. As the U.S. Militarys official compass manufacturer Cammengas Tritium Lensatic Compasses have proven themselves repeatedly in almost every kind of environment and situation. With each compass you carry the added assurance of Tritium-based self-powered lighting that needs no recharging. To put it simply: When it comes to performance and accuracy Cammenga leaves all other compasses behind. Specifications for Cammenga 3H Tritium Compass: Manufacturer: Cammenga Color: Olive Drab Fabric/Material: Powder Coated Aluminum Illumination Type: Tritium Features of Cammenga 3H Tritium Compass Equipped with 7 Tritium micro-lights providing continuous illumination for over 12 years. Shockproof damage-resistant design. Waterproof to considerable depths. Sandproof for extra durability. Accuracy +/- 40 mils. Performs flawlessly in temperatures ranging from -50 degree F to 150 degree F. Uncompromised by temperature changes due to its non-liquid filled needle housing. Uses a copper induction-damping ring that slows settles and steadies the compass needle quickly. Constructed with a powder-coated aluminum frame for optimal endurance. Package Contents: Cammenga 3H Tritium Compass Lanyard Instruction Card Cammenga 6605-01-196-6971: 3H Tritium Compass Lensatic Northern Hemisphere Olive Drab