Featured an ergonomically designed base plate. Their extended base plates have inch and 1/10 mile direct reading scales that meet U.S.G.S. standards. 2º dial graduations and built in magnifier help you read map details. Declination scale lets you make quick adjustments of map bearings to field bearings. A North 360º mark along with a red orienting arrow gives a quick precise needle match. Luminous points help you find your way at night. Lanyard included.