The Trijicon MRO(Miniature Rifle Optic) SD is a sealed, miniature reflex sight intended for use on rifles, carbines, and shotguns to provide fast target acquisition. The large aperture and tapered light path maximize the viewing area and allow for better situational awareness and fast target engagement. Combine all this with the ambidextrous brightness controls, sub-flush adjusters, advanced lens coatings and the fully sealed, waterproof, hard anodized forged 7075-T6 housing, and you have the ultimate mini reflex sight on the market. The MRO SD features a re-engineered objective lens allowing for enhanced optical performance and magnifier compatibility. The MRO SD is also equipped with improved windage and elevation adjusters designed to maintain stricter zero retention requirements under drop and recoil. Specifications for Trijicon MRO SD 1x25mm Reflex Red Dot Sight: Manufacturer: Trijicon Finish: Matte Fabric/Material: 7075-T6 Aluminum Magnification: 1 x Objective Lens Diameter: 25 mm Reticle: 2.0 MOA Adjustable Red Dot Illumination Type: LED Illumination Color: Red Brightness Settings: 8 Eye Relief: Infinite Adjustment Click Value: 1/2 MOA Battery Type: Lithium Metal, CR2032 Water Resistant Mark: 100 ft Length: 2.9 in Width: 1.7 in Height: 2.1 in Weight: 4.8 oz Red Dot Sights-Footprint: MRO Features of Trijicon MRO SD 1x25mm Reflex Red Dot Sight FASTER TARGET ACQUISITION: Larger viewing area allows for faster acquisition and engagement with reduced tube effect. AMBIDEXTROUS BRIGHTNESS CONTROL: Brightness dial is equally usable by left- or right-handed operators without having to remove hand from fire control. EASILY ADJUSTABLE BRIGHTNESS SETTINGS: MRO SD models feature 8 brightness settings, including 2 night vision-compatible settings & one super bright. BUILT TO HANDLE THE WORST: Designed with forged 7075 housing, fully sealed construction and dry nitrogen to protect against the tough elements. MAINTAINS ZERO: Capless design (utilizing sub-flush adjusters) eliminates lost caps, snag hazards and ensures against inadvertent adjustment or loss of zero. SUPERIOR QUALITY GLASS LENSES: Multi-coated lenses provide superior clarity and light-gathering capabilities with zero distortion for a crisp dot reticle. LONG-LASTING POWER: MRO SD Red Dot: 2.5 years MRO SD Green Dot: 1.5 years. LIMITED LIFETIME WARRANTY: Electronics are warrantied for 5 years from date of original manufacture. OPTIMIZED FOR USE WITH A MAGNIFIER: A re-engineered objective lens produces a refined 2.0 MOA center dot. Package Contents: Trijicon MRO SD 1x25mm Reflex Red Dot Sight Trijicon Logo Sticker Lens Cloth MRO SD Manual Warranty Card