Professional: This Professional Military Compass Will Always Help You In The Right Direction. Ideal For Camping, Military Response, Emergencies, Motorsports, Boating, Camping, Mountaineering, Exploration, Hunting And Anytime You Need Support On The Deceiver Trails. Fluorescent, Waterproof And Vibration Resistant: After Absorbing Enough Sunlight, The Compass Surface Will Glow In The Dark For You To Drive Safely Even At Night. The Built-In Bubble Can Improve Its Accuracy And Reduce Errors.Portable: Carry The Compass Directly On Your Body With The Belt Loop Or Store It In Your Carry Bag To Keep Your Hands On The Mountain While Mountaineering. Multifunction: 2 Rulers On The Edge For Topographic Maps. Perfect For Positioning, Orientation On A Map, Plotter, Etc. Basic Orientation, Laying Plane, Azimuth Side, Variation Angle, And Object Width Measurement.Military Standard: Built To Military Standards, The Compass Is Very Durable And Stable, Waterproof And Shock Resistant To Be Extremely Durable And Withstand The Toughest Rides. The Lensatic Function Improves Reading Accuracy With A Lens On The Dial, Which Increases The Dial, Allowing You To Read Accurately.