The Cammenga G.I. Military Tritium Lensatic Compass is built to the demanding specifications of U.S. Fighting Forces. Battle tested, this compass is shock, water and sand proof, and functional from -50ºF to +150ºF. Seven Tritium Micro Lights allow for navigation in low-light conditions. It is equipped with a magnifying lens, sighting wire, and dial graduations in both degrees and mils to ensure accurate readings. Copper induction dampening system slows the rotation of the magnet without the use of liquids. Built to last with an aluminum frame and waterproof housing. The Cammenga Compass is depended on by U.S. Fighting Forces all over the world. All Commenga Lensatic Compass models come with a carrying pouch, and belt clip. NOTE: Cammenga standard 3H model (#417) is not balanced for the southern hemisphere. Model 3HSH can be special ordered and will be balanced for the southern hemisphere if a customer requests.