Hiking Compass and Clinometer Can Guide You In Your Outdoor Activities Such As Camping, Mountaineering, Boating, Exploration, Hunting, Hiking, Geology. The Clinometer Allows the Measuring of Differences In Height and Slopes. High Precision Accuracy Thermo-Elastic Liquid-Filled Capsule Line of the Sighting Optic Lets You Take Full Advantage Of The 1 Degree Resolution Used On The Compass Card. Fluorescent Light DesignFluorescent Light Allows You To Read Data In Dark Environment After Absorbing Enough Sunshine. The More Light Irradiation, The More Durable Lumious Indication. Easy to ReadThis Hiking Compass Comes with Sighting Window with Sighting Line, Luminous Magnet Arrow, Foldable Metal Lid, Adjustable Prism Lens, Ruler Units on the Sides Measuring Inches Centimeters. It Allows Hikers To Read Data Quickly. WaterproofCapable Of Working Under Extreme Weather Condition And Still Give You Directions.