Designed to help improve target acquisition theTrijicon MRO HDwas built for speed. Intended for use on rifles carbines and shotguns the MRO HD features a single lithium battery which allows 2.5 years of continuous use. The large aperture and tapered light path maximizes the viewing area and allows for better situational awareness especially from non-standard shooting positions.The TrijiconMRO HD scope is a sealed miniature reflex sight that features ambidextrous brightness controls sub-flush adjusters and advanced lens coatings. Its waterproof hard anodized 7075-T6 housing makes the MROHD the ultimate mini reflex sight on the market.Trijicon MRO HD Features16 Total SettingsWaterproof up to 100 ftTethered Battery CapDisplay Dot Only Including Night Vision (NV) SettingBattery Life - Up to 2.5 years of continuous use for red dotDisplay Both Segmented Circle Reticle and Dot Including Night Vision (NV) SettingAdjustable brightness settingsCrisp 2.0 MOA Center-Dot Surrounded by 68 MOA Ring Reticle Trijicon MRO Product Manual Download