Compass Engineer Directional Compass with Night Luminous Function ,1:50000meter standard map scales Description:1)Liquid-filled military marching style2)Jeweled pivot3)Floating luminous dial for visibility in darknessFeatures:1)This military lensatic marching compass easily folds to fit in your pocket2)The compass is highly accurate and features a liquid-damped compass card with a luminous dial  that can easily be read at night,and a standard bezel with two yellow lines at 45 degree angles3)The compass card has both the standard 0-360 degree scale,as well as the 0-64Mil scale (one yard at 1000 yards)4)The bezel rotates with detents every 3 degrees to you can change the heading reference a known amount without looking at the compass.5)The front sight has a magnifier to simultaneously view the magnetic heading when taking a sight.6)A second magnifier assists in reading the magnetic heading when direct viewing from above.7)This compass is protected by a durable cast metal case painted dark green military drab.