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. Cammenga Compass is equipped with a magnifying lens, sighting wire, and dial graduations in both degrees and mils. 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. G.I. military compass comes with a carrying pouch, and belt clip for convenient carry. Model 3HSH can be special ordered and will be balanced for the southern hemisphere if a customer requests.