Multi-functionOrientation compass can not only display direction, but also can measure azimuth, calibrate map, measure magnetic azimuth, measure distance, inclinometer, speed calculation, slope, etc Ideal for adventurers, geologists, travelers, etc. High Accuracy The geological compass is mainly composed of a compass and an odometer. The compass section has a lifting ring, a disk holder, a magnetic needle and a goniometer. More importantly, the scope is designed with Lubber lines and face holes, which will improve the accuracy of the aim. Our directional compass is ideal for geologists and inspectors. Fluorescent DesignLuminous magnet arrow and compass card allow you to read the data in dark environment after absorbing enough sunshine. Lights up the dial in the dark to read data. Waterproof and shockproof designStrong metal construction and waterproof so it works well in extreme weather conditions. Perfect for hiking, navigation, camping, boating, adventure, travelling, hunting, geology and other outdoor activities. Durable, lightweight The compass is made of thermoelastic plastic, only 106g, high quality, waterproof and durable, light weight, suitable for outdoor carrying. For example: hiking, boating, adventure, etc. It also comes with a small bag that you can hang on your belt. It is absolutely practical.