This compass is made of ABS, PMMA, and metal. The product comes with a magnifying glass that can zoom in on map data, allowing for focusing on lighting a fire during critical survival moments. The pointer points accurately, the scale is clear and the stability is good. Equipped with exquisite hanging ropes, it is easy to carry for outdoor travel and exploration, lightweight and portable. The compass also comes with multiple scales, making it highly adaptable and suitable for map orientation. The compass is suitable for activities such as camping, hiking, hunting, exploration, mapping, driving, cycling, rowing, etc. Precautions: Keep level during use, avoid contact with corrosive liquids, stay away from magnetic fields and metals, avoid collisions and exposure to sunlight.