material, the compass is durable, shake-proof and resistant to compression. Clear glass plate with a magnifier can magnify the scale to make you see accurate readings. Help you measure the slope, distance, azimuth angle, etc, practical and convenient to use. Versatile for guiding and positioning, perfect for camping, military use, emergencies, etc. Portable size with a buckle is easy to be placed in your pocket or attached to where as you want to free your hands during climbing or other outdoor activities. ?Fully functional with a clear, accurate pointer. ?Feature a magnifier, sight wire, and thumb loop for grip. ? Made of high-quality Aluminium complete with a secure closure. ?Designed to be compact and portable for pocket-sized fun. ?Encourage active play and trigger the imagination.PRACTICAL TOOL: there is a lens on the rear sight of the compass which can enlarge the map choice for easy reading; The spirit level can reduce the errors, so you can find your sense of direction quickly; It's a great outdoor navigation device for backpackers, campers, hikers, hunters, geologists to do outdoor activities