Premium Material: The portable navigation hiking compass is made of quality acrylic material, which is sturdy and firm, durable and lightweight, not easy to break, you can use it for a long time. Suitable Size: The size of the professional waterproof compass is approx. 11.5x 5.7cm, suitable for outdoor carrying and outdoor activities. Lightweight and ease the burden of your travel. High Accuracy: Designed with 1:25000 precision measuring scale, direction arrow, index line and magnetic (N) field compass needle for orientation can help you find the direction accurately and read the map easily even at night or under dark light. Portable and Convenient: The small compass comes with a detachable lanyard, which is portable and convenient and you can easily carry it when you travel, you can hang the professional navigation compass on your backpack or around your neck. Wide Usage: The map reading navigation compass is a useful instrument and must-have equipment for all adventurous people. It can be around your neck or in your tool bag and applied to many outdoor activities like mountaineering, scouting, camping, hiking, hunting, climbing, traveling, etc. "