Olive Drab Compass GI Special Lensatic Tritium (3HJP) - Approved For Japanese Market. Contains Less Than 27mCi (1GBq) of Tritium (3H). Built To Demanding Specifications of US Fighting Forces. Battle Tested - Shock, Water, Sand Proof & Functional From -50ºF to +150ºF. Five Tritium Micro Lights Allow For Navigation In Low Light Conditions. Equipped With A Magnifying Lens, Sight Wire & Dial Graduations In Both Degrees & Mills To Insure Accurate Readings. Copper Induction Dampening System Slows The Rotation Of The Magnet Without The Use Of Liquids. Built To Last With An Aluminum Frame & Waterproof Housing. Includes Carrying Pouch, Lanyard & Belt Clip. US Made.