Premium Material: The portable hiking navigation compass is made of quality acrylic material, which is sturdy and firm, durable and lightweight, not easy to break, you can use for a long time Suitable Size: The size of the professional waterproof compass is approx. 11.5 x 5.7 cm, suitable for wearing outdoors and outdoor activities. Lightweight and relieves the burden of your travel. High Accuracy: Designed with 1: 25000 precision measurement scale, direction arrow, index line and magnetic needle (N) of the field compass 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 traveling, you can hang the professional navigation compass on your backpack or around your neck. General Use: The navigation compass for map reading is a useful instrument and a must-have equipment for all adventurous people. It can be around your neck or in your tool kit and applied for many outdoor activities such as mountaineering, exploring, camping, hiking, hunting, climbing, traveling, etc.