SVBONY Multifunction Compass Military Army Metal Pocket Size Waterproof Compass with Fluorescent for Camping Hiking solid metal High strength engineering metal body, rugged and capable of working well under extreme weather condition;pressureproof;sturdier and durable enough to withstand crushed by car Special design of fluorescent light allows you to read data in dark environment after absorbing enough sunshine;no matter day or night;you can use it without obstacle Waterproof;antifreeze;super freezing tolerance can be used in low temperature under 20 degrees Compact and lightweight;this professional compass is super lightweight; the folded size just 2.07x2.54x1.01 plus built to the absolute highest standards to ensure it will be ready when you need it Multifunction;metal compass support measure direction;longitude and latitude;horizontal;north arrow;sighting window with sighting line and so on;ideal for camping;hiking;adventure;positioning;mapping and more