Fully multi-coated optical system BK-7 prisms. 6x magnification and an adjustable diopter. High light transmission with true color optics. Ergonomically designed to fit in your hand. Standard/Horizontal Distance/Angle/Rain/Hunt modes. Wide angle optical system – 420 ft – 1000 yards. Measure distances accurate to +/- 1 meter. Lightweight and compact construction. Auto shut off battery save feature. Nitrogen purged – water and fog proof&#46. Specifications    Color:  Black;  Maximum Range:  656 yds;  Magnification:  6 x;  Objective Lens Diameter:  21 mm;  Eye Relief:  18 mm;  Field of View, Linear:  420 ft at 1000 yds;  Field of View, Angle:  90 degrees;  Length:  3.8";  Minimum Range:  7 yds;  Water Resistance Level:  IPX-5;  Width:  1.4";  Battery Type:  CR2-3V;  Optical Coating:  Multi-Layer Anti-Reflex;  Operating Temperature:  Minus 10 – 40 Celsius;  Accuracy:  +/- 1 mm;  Application:  Hunting; .