Leica Rangemaster 1600-B Laser Rangefinder, featuring a measurement range of 10-1600 yards (9-1463 meters), accuracy of ±1 yard/meter, approximately 7.8 oz (220 grams) weight, dimensions of 4.4 x 1.3 x 2.9 inches (113 x 34 x 75 mm), LED display, water-resistant design, ballistic information system BIS, CR2 battery type.