SVBONY Multifunction Military Army Metal Sighting Compass with Inclinometer for Camping Hiking Waterproof Shockproof Antifreeze (Military Green) SVBONY compass can help you a lot;adjustable luminous marching line;thumb hold and magnifying viewer;sighting hairline;floating luminous dial and liquid filled for fast readability;which can give you a reliable and accurate performance Special design of fluorescent light;you can use it and read data on it in dark environment after absorbing enough sunshine High accuracy;built-in a bubble level;which can improve its accuracy and decrease its errors;with this compass;travelling around the world is not difficult even for someone easy to get lost High strength engineering metal body;rugged and capable of working under extreme weather condition Waterproof shockproof antifreeze feature;suitable for motoring;boating;camping;mountaineering;exploring;hunting and other outdoor activities;can be used for positioning;orienting on a map;plotting and so on