1,Durable Military Metal Compass. Compass case is made of high-strength zinc alloy material, very rugged and durable, impact resistant and waterproof.2,Survival Navigation Compass. Liquid-filled magnetic compass, floating compass rose with clear 360° scale, bubble level can improve the accuracy of the pointer. The adjustable vertical lens prism also allows you to read the internal compass card 1°resolution.3,Night Fluorescent Compass Dial and Arrow. The compass dial and arrow will be luminous after absorb light, especially obvious at night or low-light conditions.4,Multifunction Military Compass. Bubble level, tripod connection, slope chart, inch and cm scale, adjustable vertical lens prism, sighting window with sighting line.