Product Size: 12.5 x 6.1 x 1.1cm [Robust and Durable]: Clear waterproof orienteering compass made of acrylic and ABS plastic, sturdy and durable. The multifunctional navigation compass features a precise and clear scale with a simple design. This adjustable declination compass helps you determine your geographic location and find the correct direction and route during camping or traveling. [Multi-Scale & High Precision]: The orienteering compass includes 1:25000, 1:50000, and 1:63360 precision measuring scales. Equipped with inch and millimeter scales, cardinal points, an orienting arrow, declination marks, and a magnifier, this compass allows for accurate direction finding and easy map reading. An essential tool for outdoor exploration. [Luminous Design]: The travel direction arrow, graduation lines, and magnetic (N) needle feature luminous markings, enabling use in low-light conditions or at night. Provides reliable guidance during outdoor activities such as hiking, camping, adventure, mountain climbing, and orienteering. [Portable Hanging]: Each compass comes with a safety lanyard, allowing easy attachment to a backpack, suitcase, vehicle, or wearing around the neck. Keeps the compass secure and hands-free, reducing the risk of loss during outdoor use.