Pairing crystal-clear 21mm lens and 5X magnification of our 450 Range Finder ensures you have a precise view of your quarry as far as 450 yards out. Durable waterproof resistant housing with rugged rubber trim protects it from the elements. Product Information: 450 Yard Range Minimum Range of 10 Yards 5X Magnification 21mm Lens Water Resistant Durable rubber trim Yard/Meter selection Scan Mode Battery Indicator Lens Cloth Powered by 2 AAA batteries (not included)