The trijicon miniature rifle optic (mro) is a reflex-style sealed sight intended for use on rifles carbines and shotguns to provide fast target acquisition.It is designed to be used with both eyes open providing the operator with maximum situational awareness.The large aperture and tapered light path maximizes the viewing area in such a small optic allowing for fast target engagement especially from non-standard shooting positions.It also features ambidextrous brightness controls sub-flush adjusters advanced lens coatings and a fully sealed waterproof hard anodized forged 7075-t6 housing making the mro the ultimate mini reflex sight.Battery: CR2032 LithiumMagnification: 1xObjective: 25mmDot Size: 2 MOALength: 2.90"Weight: 4.60 ozFinish: Matte BlackReticle: Illuminated 68 MOA Red/Green DotProofs: WaterproofWindage Elevation: 70 MOA