Monarch Dot Sight is waterproof, fogproof, and shockproof with a huge field of view. Fully multi-coated lenses produce sharp, crystal-clear pictures while an 11-position rheostat give you almost infinite reticle brightness. Inludes mounting system that attaches to any Weaver-Style mount base. Field of view @100 yds: 47.5', Length: 3.76", Realtree All Purpose Camo.