Main Functions：Basic positioning, measuring azimuth, deflection angle, it's easy to read data in all weather at any time, excellent for camping, hiking, exploring, and other outdoor activities. Easy to carry：The compass is medium in size and easy to carry. It is recommended to put it in your pocket, backpack or directly on your neck so that your direction will always be correct. Applicable occasions and people：This compass is waterproof and shockproof, suitable for driving, camping, hiking, adventure, and other outdoor activities, so this compass is a good tool for backpackers, campers, hikers, hunters, geologists to do outdoor activities. Purpose: compass positioning, measuring map scale and distance. Name: Outdoor professional multi-function compass Material: organic glass, oil, magnet, etc. Size: 70x49x9mm Net weight: 22g Accessories: with lanyard Display: pointer type Ruler: millimeter ruler/feet/angle ruler quantity: 1 Global Mountaineering,Navigating training.