ITEM NAME:Directional Compass Sighting Waterproof & Lightweight Compasses with Carryi R9R7 Directional Compass Sighting Waterproof & Lightweight Compasses with Carryi R9R7 The Orienteering compass is not only can show you the way,but also can measure azimuth,calibrate map azimuth,measure magnetic azimuth,measuring distance,inclinometer,speed calculation,slope gradient.It is very perfect for adventurer,geologist,traveller and so on. The geological compass is mainly composed of two parts: compass and odometer.The compass part has a lifting ring ,a disc seat,a magnetic needle and a goniometer.More importantly,sighting mirror is designed with the lubber line and sighting hole,which will improve the accuracy of sighting.Our directional compass is very suitable for geologists,surveyors. The multifunctional compass will lead you to the right direction,and you are not worry that you would get lost at outdoor activities any more.What is more,you are no longer afraid of weak GPS and unable to show the direction by telephone. The compasses even can replace the GPS of your phone to show you the way. In a word,a compass is necessary for everyone. The compass have a magnetic declination regulator that can manually correct the magnetic declination of all parts, so that the accuracy is higher.With magnetic needle brake,positioning will be more accurate. Moreover,it combines with the sighting line and reflector mirror,which make the compass more reliable.In the emergency,you can use the mirror to reflect a light and let your teammates know where you are. The map compass is made of plastic with high quality which is waterproof and durable.That is very lightweight and suitable for carrying in outdoor.Such as: hiking,boating,adventure and so on.It also equips with small bag and you can hang on your belt.That is definitely convenient. Degree of precision: +/-1 degree Core diameter: 2.4 in Weight: 0.45 pounds Color: Army Green Material: plastic, glass size: Length 8.2cm (longest position.In a word,a compass is necessary for everyone. The compass have a magnetic declination regulator that can manually correct the magnetic declination of all parts, so that the accuracy is higher.With magnetic needle brake,positioning will be more accurate.