1. Reference table to estimate distance and scope; Shakeproof and Waterproof2. Prismatic readings avoid errors caused by mirror readings and potential parallax3. This lensatic compass with fluorescent light can be used in dark environment4. With CM and INCH ruler on each side of the compass， used for positioning， orienting on a map， plotting and so on.5. Comes with Water-Resistant Nylon Pouch & Lanyard6. Suitable for camping， Hiking， Scouting， Map Reading， Climbing and accurate aiming on land and water Material: Metal+GlassColor: GreenSize: 82*62*30mmDial diameter: 55mm Weight: 179gStyle: Handheld CompassFeatures: Can be used for positioning， orienting on a map， estimate distance and scope， plotting ， motoring， boating， camping， mountaineering， exploring， hunting and other outdoor activities. 1 x Military Prismatic Compass1 x Pouch 1 x Strap1 x User manual