The Sig Sauer Kilo 3000 BDX marries Sig's exciting BDX (Ballistic Data Exchange) technology in a 10x42 binocular package. In an emerging field of rangefinding binoculars the Kilo 3000 stands out as a high functioning ballistic rangefinder with superior optical clarity, light transmission, and twilight performance.Features: Magnification: 10xObjective Lens Diameter: 42mmLength: 5.75 in.Width: 5.0 in.Height: 2.5 in.Weight: 31 oz.Laser Divergence: 1.5 MRADBattery: CR2 (included)Color: ODGRange on Deer: up to 2000 yardsRange on Trees: up to 4000 yardsMax Reflective Range: up to 5000 yards